You Don’t Have to Sell What You Love. You Just Have to Sell It For a Second.

Every FIRE community has one.

(It’s me. Hi. I’m the problem, it’s me.)

The person who bought a stock years ago, watched it turn into a meaningful chunk of their net worth, and now refuses to sell a single share because they still believe in the company. Maybe it’s an employer stock they understand inside and out. Maybe it’s something they bought back when nobody else believed in it. Either way, they’re not selling, and honestly, that’s their call to make.

But here’s the thing nobody tells the true believers: you don’t have to choose between holding a stock forever and dealing with a tax bill forever. You can hold the stock and shrink the tax bill, sometimes down to nothing, using the same 0% capital gains bracket we’ve talked about before. The trick is realizing that “selling” and “leaving” don’t have to mean the same thing.

The Problem With Loving a Stock Too Much

When a stock does really well over a long stretch of time, something sneaky happens to your cost basis. It stays exactly where it started while the value of the stock keeps climbing further and further away from it. Ten years in, you might have a stock worth five times what you paid for it. Twenty years in, maybe ten times. At some point, the gap between what you paid and what it’s worth gets so large that selling feels like financial self-harm, even when selling might be the smart move.

This is sometimes called being “tax trapped.” You’re not staying invested because you’ve done the math and concluded it’s the best decision. You’re staying invested because the tax bill on getting out has grown into its own gravitational force, and it’s easier to just keep holding than to face it.

For someone who genuinely wants to keep the stock long term, that’s not really a problem, you weren’t planning to sell anyway. But it does mean that someday, when you eventually do sell, there’s a tax bill with your name on it that’s been quietly growing for years. Tax-gain harvesting is a way to chip away at that bill while you’re still alive and still holding, without giving up a single share for more than about sixty seconds.

Wait, How Do You Sell Something You’re Not Selling?

This is the part that sounds like a trick but isn’t. Selling a stock and then immediately buying it back is completely legal when you’re selling for a gain. The wash sale rule, the one that stops you from claiming a tax loss and then buying the same thing right back, only applies to losses. It does not apply to gains. There’s no waiting period, no 30-day rule, nothing.

So if you’re someone who’s holding a winning stock for the long haul, you can:

1. Sell some (or all) of your position
2. Immediately buy it back at the same price
3. Walk away with a new, higher cost basis

You still own the exact same number of shares of the exact same company. You haven’t changed your bet on the business at all. The only thing that’s changed is the number the IRS uses to calculate your gain whenever you eventually do sell for real.

Where the 0% Bracket Comes In

This whole strategy only matters if you can do it without paying tax to get there, otherwise you’re just paying tax early for no reason. That’s where the 0% long-term capital gains bracket comes in.

For 2026, the 0% rate applies up to roughly $49,450 of taxable income for single filers and roughly $98,900 for married couples filing jointly. Add in the standard deduction ($16,100 single, $32,200 married) and a household with little or no other income can have a meaningful amount of total income before crossing into the 15% bracket.

If your taxable income is low enough in a given year, maybe you’re between jobs, maybe you’ve cut back to part time, maybe you’re in the gap years of early retirement, you can harvest a chunk of that embedded gain completely tax-free. Sell, immediately rebuy, reset your basis upward, and the IRS gets nothing. Do this every year that you qualify, and over time you can chip a genuinely scary embedded gain down to something much more manageable, all while never actually parting ways with the stock you believe in.

A Worked Example

Let’s say Marcus has held shares in a single company for 12 years. He started with $30,000 invested. Today that position is worth $180,000. That’s a $150,000 unrealized gain, and Marcus has zero interest in selling it for real. He thinks the company still has a long runway, and he’s not wrong to want to keep that conviction intact.

Marcus also recently cut back to part time work and has a taxable income, after deductions, of about $35,000 this year. His 0% capital gains ceiling as a single filer is $49,450, which leaves him roughly $14,450 of room.

Marcus sells $14,450 worth of gain (which might mean selling a larger chunk of stock if a portion of that sale is also return of his original cost basis, the exact math depends on what percentage of the position is gain versus basis) and immediately buys it right back. He pays $0 in tax. His cost basis on that portion of the position just jumped up by $14,450.

If Marcus can repeat something close to this every year for the next eight to ten years, depending on how his income fluctuates, he could realistically reset $100,000 or more of that $150,000 embedded gain without ever paying capital gains tax on it and without ever actually exiting his position. He still owns the company he believes in. He’s just made the eventual tax consequences of owning it dramatically smaller.

“But I’m Never Selling, So Why Bother?”

Fair question. Some long-term holders plan to hold a stock until they die, in which case their heirs get a stepped-up basis automatically and the embedded gain disappears for tax purposes entirely, no harvesting required. If that’s genuinely your plan, harvesting along the way is more of a nice-to-have than a necessity.

But a few things are worth considering even for the true forever-holders:

Plans change. Companies change. Life changes. The person who was sure they’d never sell a stock at 35 sometimes finds themselves needing liquidity at 55, whether that’s for a home, a medical situation, or just because their conviction shifted. Having a lower basis on hand gives you flexibility you don’t have to use, but might be glad you built.

You might want to diversify eventually, just not all at once. A lot of concentrated stock holders aren’t opposed to diversifying in theory, they’re opposed to the tax bill that comes with doing it in one shot. Annual harvesting is a way to quietly lower that future tax bill in the background, so that if you ever do decide to trim the position down, the cost of doing so is smaller than it would have been.

Step-up at death isn’t a plan, it’s a hope. Estate tax law has changed before and it can change again. Betting your entire tax strategy on a provision that requires you to be deceased to benefit from it is a little bit morbid and not exactly something you can control the timing of.

The Catches Are the Same, But Worth Repeating

This strategy carries the same fine print as any other use of the 0% bracket:

The gain itself fills up the bracket. You have to calculate your room before you sell, including the gain you’re about to realize, not after.

Concentration risk doesn’t go away. This is important enough to say plainly: resetting your cost basis does absolutely nothing to reduce the risk of having a big chunk of your net worth in one company. If anything, it can quietly make people feel more comfortable holding a concentrated position than they should, because the tax bill feels less scary. Don’t let a smaller tax problem distract you from a bigger concentration problem if one exists.

ACA subsidies and state taxes still apply. A harvested gain adds to your income for the year, which can affect health insurance subsidies if you’re on a marketplace plan, and your state might not offer the same 0% break the federal government does.

This is a tax strategy, not an investment strategy. Harvesting gains doesn’t make a stock a better or worse investment. It just makes the tax consequences of an investment decision you’ve already made a little lighter. Don’t let the tax tail wag the investment dog, and don’t use this as a reason to avoid a conversation about whether holding that much of one company still makes sense for your situation.

The Bottom Line

You don’t have to choose between loyalty to a stock and a reasonable tax bill. If your income is low enough in a given year to land in the 0% capital gains bracket, you can sell, immediately buy back in, and reset your cost basis for free, all without changing a single thing about what you actually own. It’s one of the rare tax moves that lets you have it both ways: keep your conviction and shrink your future tax bill at the same time.

Just remember what this strategy can and can’t do. It can lower a future tax bill. It can’t lower your risk. Those are two different problems, and only one of them gets solved by a trip to your brokerage account.

This article is for general education and isn’t personalized tax or investment advice. Run your specific numbers with a CPA or fee-only financial planner, and talk to an advisor about whether a concentrated position still fits your goals before deciding whether and how much to harvest.