The aphorism “If you fail to plan, you’re planning to fail” is commonly attributed to Benjamin Franklin.
Even if the words are his, he wouldn’t have been thinking about income taxes when he wrote them. Those were introduced in 1862 to temporarily fund the Civil War. The 16th Amendment made them permanent in 1913.
Today’s income taxes are quite complex compared to the type of taxation people would have known in the days of the Founding Fathers. And you’ll need to take an active, strategic approach to managing them if you want to optimize your financial position.
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In general, for income of $150,000 or under, there are specific concerns and ways to approach the planning. For those with $500,000 and more in income, there are different concerns and approaches.
There is no doubt that proper tax planning helps at any level, but in the “messy middle,” between $150,000 and $500,000, there is more complexity than necessary.
The challenges of active tax management
One of the biggest challenges in active tax management is synthesizing all the information to uncover what can reduce your tax burden as much as possible in the future, and not just in the current year.
You might be unaware of various deductions, state-specific rules and thresholds that can kick you into a higher bracket, eliminate or phase out a deduction, or cause other unforeseen expenses now or later.
It is a balancing act that is based on and informed by income sources, assets, ways assets are owned, taxation attributes of types of assets, financial goals, expectations about the future of taxes and sometimes even legacy intentions.
For many, the complexity requires a professional to dig into the details, ask the right questions and help devise the best strategy or mixture of strategies. An expert can provide objective analysis that identifies missed deductions and potential opportunities, ensures regulatory compliance, mitigates risks and increases net after-tax long-term wealth.
Whether you do your own tax planning or hire a tax professional, the important point is being intentional — making tax planning a priority in your financial plan (at the very least giving it equal importance to investment, income, legacy and protection planning) and making choices to ensure you are protecting as much of your savings and assets as possible for the long term for the best possible taxation.
Learning the tax implications of your income range
The starting point in active tax management is figuring out your likely income range and optimal tax strategies for now and for retirement. Tax rates can change in the future, but the important approach now is to identify an income range where you think you could settle tax liability at reasonable rates, avoid paying unnecessary taxes and set up a future where you have some flexibility to manage brackets later.
Let’s focus on the tricky messy middle — those with between $150,000 and $500,000 in income. For the 2026 tax year, that range of income spans three tax brackets (22%, 24%, 32%) for married couples filing jointly and three for single/married filing single (24%, 32%, 35%).
That range points out the importance of active tax management not only because of the various tax rates, but also because there are numerous deduction phase-outs and additional tax triggers.
Here are just some of those (based on the 2026 tax year).
Net investment income tax (NIIT). This is an additional 3.8% federal tax on certain types of investment income. It applies to individuals with modified adjusted gross income (MAGI) exceeding $200,000 (for single filer/head of household) and $250,000 (married filing jointly/surviving spouse).
Once you cross into these ranges, every dollar of investment income becomes less efficient, making proactive tax planning significantly more valuable. The NIIT applies to income such as interest and dividends, capital gains (stocks, real estate, funds), rental and passive income and certain annuity income.
Long-term capital gains rates. Another negative impact of the NIIT: It effectively raises long-term capital gains rates to 18.8% (15% + 3.8%) or 23.8% (20% + 3.8%), depending on your filing status and income level.
Qualified business income (QBI) deduction. The QBI deduction is a tax break allowing eligible self-employed individuals and pass-through business owners (partnerships, LLCs, S corps) to deduct up to 20% of their qualified business income from their personal taxes.
In 2026, the phase-out range (for some in specified trades or businesses) is $403,500 to $553,500 for married joint filers, $201,775 to $276,775 for single filers.
Child tax credit. The phase-out starts at $200,000 for single/head-of-household filers and $400,000 for married couples filing jointly. The credit amount is reduced by $50 for every $1,000 of income above these thresholds.
Deduction for those who are 65-plus. A new $6,000 deduction for individuals aged 65-plus phases out between a MAGI of $75,000 to $175,000 for singles and $150,000 to $250,000 for married joint filers. The deduction reduces by six cents for every dollar over the limits.
State and local tax deduction (SALT). With MAGI just over $505,000, you begin to lose the increased SALT deduction, but for now, for many with income under $500,000, a higher deduction may mean itemizing for the first time in a while.
Charitable contributions. Donations are only deductible to the extent they exceed 0.5% of your adjusted gross income (AGI). For example, with an AGI of $300,000, only donations over $1,500 are deductible as an itemized deduction, and then only if you itemize. There is now a small “above the line” deduction for those not itemizing. (A note for those in the top tax bracket: A limitation on itemized deductions comes into play for you.)
Increased Medicare premium surcharges. The income-related monthly adjustment amount (IRMAA) is a surcharge added to Medicare Part B and Part D. It is based on your MAGI from two years prior. Single filers with income ranges from $109,000 to $500,000+ pay progressively higher surcharges, as do those filing married jointly from $218,000 to $750,000+.
For example, a married couple filing jointly with a MAGI of $280,000 would pay approximately double for Medicare premiums relative to those who make $215,000.
This is an especially tricky one to navigate and is not felt until two calendar years later, based on how Medicare premiums are determined. You go over a threshold by just a dollar, and it could cost you hundreds, if not thousands.
The widow’s tax penalty. This is a surge in federal income tax liability and Medicare premiums that occurs when a surviving spouse shifts from married filing jointly to single status, typically one year after their spouse passes away.
For higher-income individuals, the penalty can be severe because they often have income sources (pensions, IRAs, investments) that do not decrease when a spouse dies.
Most often, the surviving spouse spends about the same money and needs the same amount of funds to accomplish that, which means the same amount of income while the brackets have been cut in half. The IRMAA charges are higher at lower income levels, too, for the surviving spouse.
Take control and reap the rewards
Active tax management is no longer beneficial for just the ultra-wealthy; it is a necessity for anyone and beneficial for those navigating the increasingly complex $150,000 to $500,000 income range.
This bracket is filled with hidden triggers, phase-outs and surtaxes that can quietly erode wealth if left unaddressed. The difference between reactive and proactive planning can mean thousands of dollars kept or lost each year and over a lifetime.
Understand what you have, what you can do now and what you can do later, so you can either defer income or settle tax liability when it makes sense. That approach allows you to optimize your current and future tax situation.
By understanding how the various ingredients and thresholds interact — and by making intentional, forward-looking decisions around income, investments and timing — you can take greater control of your financial outcomes and your net after-tax dollars.
Remember, you do not get to spend pre-tax dollars — it is only the after-tax dollars you get to spend. As the great Yogi Berra once said, “If you don’t know where you are going, you’ll end up someplace else.”
Dan Dunkin contributed to this article.
Appearances on Kiplinger.com were obtained through a paid public relations program. The author received assistance from a public relations firm in preparing this piece for submission to Kiplinger.com. Kiplinger was not compensated in any way.
The information contained herein is for educational purposes only. It is not intended to provide, and should not be relied on for, any tax, legal or investment advice. You are advised to seek the advice of a qualified professional prior to making any decision based on any specific information contained herein. The specific tax consequences of any investment or strategy will depend on your specific tax situation.
