Think your tax planning window closed on December 31st? Think again.

If you earn $500,000 or more annually, powerful tax strategies are still available to you right now—even in April. Most high-income earners assume the planning opportunity has passed, but that’s simply not true. Several meaningful moves remain on the table between now and the filing deadline, and for individuals with complex financial lives, the savings can be substantial.

The difference between mass-market tax advice and what actually works for high-net-worth households is significant. In this episode, we explore last-minute tax moves specifically designed for six-figure earners, including retirement contributions, charitable strategies, and wealth management techniques that can meaningfully reduce your tax burden this year.

Whether you’re self-employed, have multiple income streams, or manage significant investment portfolios, discover actionable steps you can take today. Ready to talk? Schedule a complimentary discovery call at TDWealth.net. For educational purposes only. Not investment advice.

📖 Full show notes: https://tdwealth.net/last-minute-tax-moves-for-high-earners-in-april/

Welcome back to the Deep Dive. And if you are tuning in today, you are the learner. You know, you're someone who doesn't just want the headlines, but you actually want to understand the mechanics pulling the strings behind the scenes. You want to know how the machine actually works.

Exactly. And today, the context is incredibly urgent. I mean, we are sitting here on Tuesday, April 14th, 2026. Tax Day is literally tomorrow.

It is right down to the wire. Right. And for the vast majority of the population, there is this like ingrained expectation of absolute finality. The clock strikes midnight on December 31st.

The year is over. The books are permanently closed. Yep. Completely sealed.

And right now, most people are just doing the math to see what the historical damage is, you know? Right. Well, because the broader assumption is that time only moves in one direction. Most taxpayers are simply reporting history at this point.

I mean, they're gathering their W-2s, plugging them into whatever software, and just accepting whatever number gets generated. It's very passive. It's extremely passive. They operate under this belief that the window for changing their tax reality slammed shut months ago.

But that assumption is entirely wrong, if you know which levers to pull. Which brings us to the incredibly timely stack of research we are digging into today. It's called Seven Last-Minute Tax Strategies for High-Income Earners That Still Work in April. It's a fantastic resource.

It really is. This comes to us from Thomas Davies of Davies Wealth Management. They are a fee-only fiduciary advisor located in Stewart, Florida, and this was actually prepared for the 1715 Treasure Coast Financial Wellness Podcast. And it completely flips that passive narrative on its head.

Yeah. The massive overarching takeaway here is that for high-net-worth individuals, April isn't just a deadline for filing paperwork. It is a massive hidden window of opportunity to retroactively rewrite your financial reality for the prior year. Exactly.

The rules of the game physically change based on the complexity of your income, and, well, your knowledge of the tax code. We are looking at a fundamentally different paradigm where retroactive optimization is not just possible. It's expected by the tax code itself. Okay, let's unpack this.

Because a playbook for someone earning, say, $75,000 is fundamentally different from the playbook for someone pulling in $750,000. Oh, completely different universes. Right. But before we actually get to the specific accounts and the forms you can file, we need to talk about the math.

Why are the stakes so incredibly high for this specific group of earners? Well, the penalty for complacency is severe, mainly because of the compounding effect of marginal tax rates. If we look at the 2024 tax year numbers highlighted in the source, taxable income over $609,350 for married filers that pushes you into the highest federal bracket. Which is 37%.

Right, 37%. But that is only the foundation. High earners are also routinely hit with the Net Investment Income Tax, or the NIIT. The dreaded NIIT.

Yeah, it's brutal. It's an additional 3.8% surtax that specifically targets passive income. So, things like capital gains, dividends, rental income, all of that gets hit once your modified adjusted gross income crosses certain thresholds. So, you aren't just paying income tax, you're paying a penalty on the growth of the wealth itself.

Exactly. If you stack a 37% marginal rate with a 3.8% NIIT, every single dollar of missed tax planning is costing you over 40 cents in federal taxes alone. It's staggering when you actually do the math. You are losing nearly half of every marginal dollar simply because you didn't pull the right lever, which actually brings up an interesting geographic point from our source.

The author, Thomas Davies, is based in Stewart, Florida. Right. And I have to push back a little here. If you live in a recognized tax haven, like Florida, which has zero state income tax, do you really need to stress about this?

I mean, doesn't the lack of state tax mean you're already winning the game? I hear that all the time. But residency in a no-tax state is a phenomenal advantage that often creates a false sense of security. Interesting.

How so? Well, Florida's lack of a state income tax does absolutely nothing to shield you from federal reach. High earners in Florida still face that 37% top bracket. They still trigger the 3.8% NIIT.

They still have federal estate tax exposure. And maybe worst of all, they still face aggressive Medicare surcharges. So, the state gives you a break, but the IRS definitely doesn't. Exactly.

Geography removes one layer of taxation, but the federal tax code remains incredibly punitive if you aren't actively managing it. Okay. So, the federal puzzle is still incredibly complex, regardless of your zip code. If we connect this to the bigger picture, an affluent taxpayer is managing a highly complex web of assets.

We aren't just talking about a biweekly paycheck. We are talking about concentrated equity, multi-entity business structures, partnership distributions, maybe deferred compensation. Right. It's a lot of moving parts.

And because of that complexity, the IRS subjects them to a completely different set of compliance rules. A perfect example of this is how estimated tax payments are handled. I definitely want to dig into that because the source brings up the safe harbor rules. If you don't pay enough tax throughout the year, the IRS hits you with an underpayment penalty.

And I know the standard rule is that you have to pay 90% of your current year's liability to be safe. Yeah. But that standard rule applies to standard incomes. Once your adjusted gross income exceeds $150,000, you are thrown into a much stricter category.

So, the 90% rule goes out the window. Completely. To avoid underpayment penalties, you have to hit what is known as the 110% safe harbor rule. This mandates that your withholdings and estimated payments must equal at least 110% of your prior year's tax liability.

Wow. Why does that trip up so many high earners? Because of income volatility. Imagine you had a massive liquidity event in December.

Maybe you sold a business, or you exercised a large block of stock options, or you just received an unexpectedly massive K-1 distribution from a partnership. Right. Suddenly, you have this huge influx of cash. Exactly.

Suddenly, your tax liability skyrockets, and your previous estimated payments fall drastically short of that 110% hurdle, and those penalties begin accruing immediately. Ouch. But the IRS provides a window. April 15th is your very last chance to make a Q4 estimated payment for the prior year to stop those underpayment penalties from bleeding your portfolio.

It's a brutal hidden trap if you aren't paying attention. But let's shift from the defensive side, avoiding those penalties, to the offensive side. Let's talk about those retroactive time machines. The fun stuff.

Exactly. The specific accounts that literally let you act as if the calendar still says December 2024. If I'm a high earner looking to lower last year's tax bill right now, where do I start? The most immediate lever is the traditional IRA.

You have until tomorrow the tax filing deadline to make a contribution for the prior year. The contribution limits are $7,000 or $8,000 if you're a 50-year-old. But there is a massive catch here for our target demographic, right? Because high earners usually hit a brick wall when it comes to IRAs due to income limits.

They do, yes. If you are covered by a workplace retirement plan, and you're modified adjusted gross income, your MGI exceeds $87,000 as a single filer, or $143,000 for a married couple filing jointly, the IRS says you cannot deduct a traditional IRA contribution. The front door is basically locked. The deduction is phased out, yes.

But the mechanism to contribute is still entirely legal. You make a non-deductible contribution to that traditional IRA. So you are putting after-tax money into the account. Then you execute what is known as a backdoor Roth conversion.

You immediately convert that non-deductible traditional IRA balance into a Roth IRA. I want to make sure the mechanics of this are crystal clear, because it sounds a little bit like a loophole. How does the IRS track this so you don't end up getting taxed twice? The key is IRS Form 8606.

This form tracks your basis, which is just the after-tax money you contributed. Right, so the IRS sees it's already been taxed. Exactly. When you convert that money to a Roth, Form 8606 proves to the IRS that you already paid taxes on those dollars, so the conversion itself is largely a tax-free event.

But there's a catch, right? Now, the critical caveat is the pro-Rota rule. If you have other pre-tax money sitting in existing traditional IRAs, the IRS forces you to calculate the conversion proportionally between your pre-tax and after-tax balances. Which would trigger a tax bill.

But if your traditional IRA balances are zero, the Backdoor Roth pivot is a clean, hyper-effective way to force money into a permanently tax-free growth vehicle, even if you make $5 million a year. Here's where it gets really interesting. Because while the Backdoor Roth is powerful, the source outlines an account that is arguably even more potent. It's what Financial Insiders call the Stealth Retirement Account, the Health Savings Account, or HSA.

Oh, the HSA is the undisputed champion of the U.S. tax code. It is the only account that offers a true triple-tax advantage. Let's break that down.

If you were enrolled in a high-deductible health plan last year, you have until tomorrow to fund an HSA for that prior year. And the limits are $4,150 for an individual or $8,300 for a family. Yep, those are the max limits. So, Advantage 1.

Contributions go in tax-deductible, completely lowering your adjusted gross income. Advantage 2. The money grows tax-free. Advantage 3.

If you use it for qualified medical expenses, the withdrawals are completely tax-free. And most people stop right there. They put money in, and they immediately take it out to pay for a dental bill or a prescription. They just treat it like a checking account.

Right. But the Stealth strategy for high-net-worth earners is to fundamentally alter how the account is used. Which means you don't touch it. You never touch it for current medical expenses.

If you have the cash flow to simply pay your medical bills out-of-pocket today, you do so. You leave that $8,300 sitting in the HSA, invested in the market, compounding tax-free for decades. Because there's no expiration date on reimbursing yourself. Exactly.

The mechanical brilliance of the HSA is that there is no time limit. You could save a receipt for a surgery today, let the HSA grow for 20 years, and then pull that money out tax-free two decades from now using today's receipt. And the ultimate kicker is what happens when you turn 65. If you reach 65 and you want to use the HSA for something completely unrelated to healthcare, say, buying a boat or taking a vacation, you can withdraw the money without any IRS penalty.

You just pay ordinary income tax on it exactly as you would with a traditional IRA. So you get the upfront tax deduction today, which dodges the 37% bracket. You dodge the 3.8% IIT on its growth, and it morphs into a supercharged retirement account later in life. It's exactly like finding a safe point in a video game that you can jump back to when you realize your character took too much damage.

That is a great way to put it. You get to April, you realize your tax liability is devastating, so you jump back into last year, fund the HSA to immediately lower your AGI and rewrite your current reality. And the immediate math proves the value. An $8,300 family contribution in the 37% bracket saves you over $3,071 in federal taxes the second you file the paperwork.

That is huge. It really is. It's one of the very few above-the-line deductions left in the tax code that does not phase out, regardless of how astronomically high your income gets. But what if you're a business owner and those individual limits, you know, the $8,000 for an IRA or the $8,300 for an HSA, what if they are just a drop in the bucket compared to your massive tax liability?

Do the time machines get bigger? Oh, significantly bigger. For business owners and self-employed professionals, the ultimate secret weapon isn't a specific account. It is the strategic manipulation of the calendar itself.

The most powerful move you can make right now is filing an extension. So what does this all mean? Because I have to push back here. Isn't filing an extension a giant red flag for the IRS?

Not at all. Because there's this common perception that filing an extension is like waving your arms and screaming, hey, I can't get my act together. Please come audit my finances. Yeah, that is perhaps the most destructive myth in personal finance.

Filing an extension is absolutely not an audit trigger. In the realm of high net worth tax preparation, it's a standard operating procedure. Why is that? The IRS vastly prefers accurate, complete returns filed in October, overrushed, error-riddled returns filed in April.

When you are dealing with complex wealth, you are invariably waiting on Schedule K-1s from real estate syndications, private equity funds, or your own S-Corps. And those are always late. Always. Those K-1s are notoriously late, and they are frequently amended.

If you force a return in April without that finalized documentation, you basically guarantee that you will have to file an amended return later, which is expensive, messy, and far more likely to draw IRS scrutiny. That makes total sense. But I want to clarify a critical mechanism our source emphasizes here. Filing an extension moves your deadline to file the paperwork to October 15th.

It does absolutely nothing to extend your deadline to pay the taxes you owe. That is a crucial distinction. You still have to estimate your liability and send the IRS a check by tomorrow to avoid late payment penalties. Paramount point.

You are buying time for paperwork and strategy, not delaying payment. What's fascinating here is that once you secure that extension to file, you unlock months of runway to execute massive employer-side retirement contributions. Walk us through the mechanics of that. Like, what kind of accounts?

Well, consider the SEP IRA. The contribution deadline for a SEP IRA is entirely tethered to your business's tax filing deadline. So if you extend your return to October 15th, you legally have until October 15th to fund a SEP IRA for the prior tax year. And the limits on those are massive, right?

Yes, they dwarf traditional IRAs. You can contribute up to 25% of your net self-employment income, maxing out at $69,000. Wow, that is an incredible amount of capital you can retroactively shelter. Does this work for solo 401k as well?

It does, but with a structural nuance. For a solo 401k, the employee elective deferral portion, which was up to $23,000 last year, that had to be formally elected by December 31st. So that window is shut. The window for that specific piece is closed.

However, if the plan was established before the end of the year, the employer profit sharing portion, which you contribute acting as the business itself, can still be made all the way up to your extended filing deadline in October. Oh, wow. Yeah, this allows you to push total contributions up to that same $69,000 ceiling, or $76,500 if you're 50 or older. You basically get half a year to generate the necessary cash flow to fully fund those massive deductions.

That is huge. So if filing an extension buys you time for retirement accounts, does it do anything for the actual tax structure of your business? Because the source material highlights an entity level optimization that can literally save thousands, the late S-corp election. Yes.

The mechanism for this is Revenue Procedure 2013-30. The IRS specifically designed this relief for business owners who missed the standard deadlines. Let's look at why you would even want to do this. Normally, if you are a highly compensated consultant, a physician in private practice, or a successful freelancer, you are likely operating as a standard LLC or a sole proprietorship.

Which is very common. Right. And the IRS punishes that structure with the self-employment tax. Every single dollar of your net profit gets hit with a 15.3% tax to fund Medicare and Social Security, and that's on top of your standard income tax.

Yeah, that 15.3% tax is a massive drag on profitability. But the tax code allows you to elect to have your LLC taxed as an S-corporation. When you do this, the mechanics of how you get paid completely change. You bifurcate your income, right?

Exactly. You are required to pay yourself a reasonable salary via a standard W-2, and that salary is subject to the 15.3% employment taxes. But the remaining profit left in the business is taken as a shareholder distribution. And those distributions are entirely free of that 15.3% self-employment tax.

The source provides a fantastic mathematical example for this. Let's say you are generating $400,000 in net profit through your LLC. You sit down with your CPA, you analyze industry standards, and you determine a legally defensible, reasonable salary for your role is $150,000. Okay, so you pay employment taxes on that $150,000.

Right. But the remaining $250,000 is taken as a distribution. By simply changing the legal tax classification of the entity, you avoid the Medicare portion of the self-employment tax on a quarter of a million dollars, saving you over $7,250 annually. It's incredibly powerful.

Now, traditionally, you have to file Form 2553 to elect Escort status by March 15th of the current tax year. But under RevProc 2013-30, if you meet specific criteria and have reasonable cause for missing the deadline, which is often simply relying on a tax professional who didn't advise you of the benefit you can attach Form 2553 to a late or extended return and claim that Escort status retroactively. It's a bit of a complex maneuver, obviously. It is.

It requires precise documentation regarding what constitutes a reasonable salary. Yeah. But the structural savings are profound. So we've covered the compounding math of the marginal brackets, the retroactive power of HSAs and backdoor Roths, and the immense leverage business owners gain through extensions.

But what happens when we look at the investment portfolio itself? Right. This brings us to the final arena, advanced defense. Managing capital gains and navigating the hidden surcharges that devastate wealthy retirees.

That's where the strategy shifts from just accumulating deductions to actively managing the nature of your income. Consider capital loss carry forwards. You obviously cannot retroactively execute new trades to harvest losses. For last year, the market closed on December 31st.

Right. However, April is the critical month to review your historical carry forward position. Because if you took an absolute bath on a tech stock three years ago, those losses don't just disappear. Exactly.

The mechanism allows capital losses to carry forward indefinitely. They act as a reservoir. They offset any realized capital gains you generated last year, dollar for dollar. And what if your losses are bigger than your gains?

If your losses exceed your gains, you can deduct up to $3,000 of those excess losses against your ordinary, highly taxed W-2 income. The source points out that for portfolios over a million dollars, engaging in systematic, active tax loss harvesting throughout the year isn't just a minor optimization. Data shows it can improve your annual after-tax returns by 0.5% to a full 1.0%. A full percent of alpha generated entirely through tax mechanics.

That is staggering over a 20-year horizon. It really adds up. But capital gains are just one piece of the puzzle. Let's talk about charitable giving because there are two sophisticated mechanisms here to extract a massive tax value from your generosity.

First, for those over 70 and a half, there is the Qualified Charitable Distribution, or QCD. The QCD is an absolute masterpiece of tax avoidance. The mechanism allows you to transfer up to $105,000 directly from your traditional IRA to a qualified public charity. And the mechanical beauty of this is how it interacts with your tax return.

When you hit a certain age, the IRS forces you to take required minimum distributions from your IRA, which normally spike your taxable income. Right, which nobody wants. Exactly. A QCD satisfies that requirement, but the money literally never touches your adjusted gross income.

It doesn't even show up on line 11 of your Form 1040 as taxable income. It is completely insulated. Which is vital. But what if you aren't 70 and a half yet?

That's where you pivot to charitable bunching using a donor-advised fund or a DF. Right. And if you missed the window to optimize your charity last year, April is the month you design this mechanism for the current year. I like to think about charitable bunching like buying in bulk at Costco.

You don't buy one roll of paper towels a week. You buy 60 rolls all at once to get past the discount threshold. The math behind that analogy is perfect. Because the standard deduction for a married couple is highest.

Let's say it's around $29,200. If you are incredibly generous and you write $20,000 in checks to charity every single year, you might never actually exceed that $29,200 standard deduction. So from the IRS's perspective. From their perspective, you get zero additional tax benefit for your $20,000 gift.

You are just leaving money on the table. So you bunch. Instead of giving $20,000 a year for three years, you front load three years worth of giving into a single $60,000 contribution to a donor-advised fund this year. Yes.

By doing that, you violently smash through the $29,200 standard deduction threshold. You generate a massive, highly valuable itemized deduction in year one. And then for years two and three. You simply claim the standard deduction, while the donor-advised fund acts as your personal charitable foundation, trickling that $60,000 out to the actual charities on your normal schedule.

You are giving the exact same amount of capital to the exact same charities over a three-year period. But you have mathematically manipulated the timing to extract a vastly larger tax subsidy from the federal government. That is brilliant. And timing your income, actively keeping your adjusted gross income suppressed using QCDs or HSAs or charitable bunching at all points toward dodging the ultimate hidden trap in the tax code.

This raises an important question. Why are we so obsessed with manipulating AGI? Why does it matter if your income shows up on the 1040 or not? Yeah, why?

The answer is IRMAA, the income-related monthly adjustment amount. Ugh. IRMAA is the ultimate shadow tax on retirees. It is a Medicare premium surcharge triggered by incredibly specific income thresholds.

But the mechanism that triggers IRMAA is deeply deceptive because it doesn't use your standard NCI. It uses your modified adjusted gross income. Exactly. The IRS takes your adjusted gross income and then they maliciously add back certain tax-exempt income to see if you qualify for a penalty.

They add back the interest you earned on tax-free municipal bonds. They add back foreign earned income. So they construct a much broader definition of your wealth. They do.

And IRMAA operates on a cleft system. It is not a gradual phase-in. If your MAA crosses the threshold by one single dollar, you fall off the cliff and are hit with the full penalty for that tier. And just look at the penalty at the highest tier from the source.

For a single filer with MAI over $500,000 or a joint couple over $750,000, the Part B surcharge skyrockets to $395.60 per person per month. It's massive. For a married couple, that's almost $800 every single month. That is over $9,400 a year in hidden surcharges simply because they didn't manage their income effectively.

Over $9,400 just vaporized because they crossed a threshold by a dollar. And this is why passive tax preparation is dangerous for high net worth individuals. Active AGI management is a mandatory defensive shield. You use the HSA deduction to lower your MGI.

You use the QCD to prevent IRA distributions from ever entering your MAGI in the first place. You're constantly monitoring those tripwires. It is a deeply interconnected ecosystem. And this level of mechanical complexity is exactly why our source material, Davies Wealth Management, offers a complementary fiduciary audit for high net worth individuals in Stewart, Florida.

It's essential. It is precisely why utilizing their retirement readiness checklist is such a critical next step. You cannot navigate backdoor Roth conversion forms, retroactive entity structuring, and IRMA cliffs with cookie cutter software. No, definitely not.

You need a coordinated strategy where your investment portfolio, your business entity, and your tax positioning are actively communicating with each other. When you look at the data, the integration of those disciplines is really what preserves wealth across generations. Which leaves us with one final provocative thought to maul over. We broke down the math earlier.

Active, holistic tax management, like systematic tax loss harvesting, can improve your after-tax returns by 0.5% to 1.0% annually. Right. If you can compound an extra 1% of alpha on a multi-million dollar portfolio every single year over the course of a 20-year retirement, how drastically does that change the trajectory of your family's generational wealth? It's a completely different trajectory.

Exactly. How much larger does your charitable legacy become? It makes you wonder, is passive tax preparation actually the most expensive hidden fee in your entire financial life? Because if you were just sitting there, assuming the year ended in December, well, you might be leaving a fortune on the table.