The Estate Tax Exemption Just Doubled and Became Permanent. Here Is the Mistake I Expect Most Families to Make.

For most of the last decade, estate planning for successful families ran on a quiet anxiety. The federal exemption that shields wealth from estate tax was historically high, but it was temporary. It was scheduled to fall by roughly half at the end of 2025, and a great deal of planning was built around beating that clock before it ran out.

That clock is gone. With the passage of the One Big Beautiful Bill Act, the federal estate and gift tax exemption is now set at $15 million per individual, $30 million for a married couple, and it is permanent and indexed to inflation beginning in 2026. There is no sunset, no cliff, no year-end scramble. For the families I work with, this is genuinely good news. It removes a source of uncertainty that has shaped wealth planning for years.

But I want to say something that runs against the celebratory tone you are going to hear elsewhere. The biggest risk this new law creates is not a tax. It is a feeling. The feeling that the work is done. And I expect that feeling to cost some families more than the estate tax ever would have.

Certainty Is Not the Same as Strategy

Here is the trap, and it is a subtle one. When a major tax threat is neutralized, the natural human response is to relax. If you can now pass $30 million to your children without a federal estate tax, the logical-sounding conclusion is to simply hold what you have, keep it in the estate, and let it pass at death. No tax, no problem.

I understand the appeal. But that reasoning quietly confuses two very different questions. The first question is whether your wealth can transfer without tax. Under the new law, for many families, the answer is now yes. The second question is entirely separate: is your wealth actually doing anything productive while you hold it? And that question the new exemption does not answer at all.

The new exemption is a tool. It is not a strategy. Confusing the two is the most expensive mistake I expect to see families make over the next several years.

An asset that sits untouched in your estate purely to avoid a tax that no longer threatens you is not being protected. It is being frozen. And frozen wealth has a cost that never shows up on any tax return, because it is the cost of everything that wealth could have been doing and was not.

The Quiet Cost of a Parked Asset

Consider a business owner who holds a piece of appreciated commercial real estate. For years, the instinct may have been to never sell it, to hold it until death so that heirs receive it with a stepped-up basis and the estate tax exposure is managed. Under the old rules, with a lower looming exemption, that instinct often made sense.

Now ask the harder question. What is that property actually producing? If it is fully appreciated, generating modest income relative to its value, and tying up capital that could be redeployed into something with real momentum, then holding it is not a neutral decision. It is an active choice to leave money idle. The property may be worth millions on paper, but paper wealth that cannot move is not the same as wealth that compounds.

This is the same principle I come back to with clients constantly. Every dollar of capital has an opportunity cost. A dollar locked inside an asset you are holding only for tax reasons is a dollar that is not funding a business, not earning a return, not building the next phase of your family's wealth. The estate tax exemption changed. The math of opportunity cost did not.

Repositioning Without Triggering a Tax Bomb

This is where the conversation gets interesting, and where good planning earns its keep. The objection to selling an appreciated asset has always been the capital gains tax that comes due on the sale. Sell a property that has tripled in value and a substantial portion of the gain can go to taxes immediately. That single fact is what keeps so many owners holding assets they would otherwise want to reposition.

But there are legitimate, well-established strategies for selling an appreciated asset while deferring the capital gains tax, so the capital can be put back to work rather than handed over all at once. An intermediate installment sale is one of them. Structured correctly, it allows an owner to sell the property, defer the capital gains tax, and free up the proceeds to invest in something else entirely, without being forced into a replacement property the way a 1031 exchange would require.

Put those two ideas together and a different picture emerges. You are no longer choosing between holding a frozen asset forever or eating a giant tax bill to sell it. You can reposition the capital intelligently, keep it deferred and compounding, and still pass wealth to your children, this time as money that has been working rather than money that has been waiting.

You are passing wealth to the next generation either way. The real question is whether that wealth keeps building along the way, or whether it simply sits, admired but idle, until you are gone.

What the Wealthiest Families Understand About Transfer

There is a deeper lesson hiding inside all of this, and the most successful multigenerational families learned it long ago. The goal was never simply to move money from one generation to the next without a tax. The goal is to move it in a way that keeps it productive and keeps it disciplined.

A pile of assets that transfers tax-free but teaches the next generation nothing, produces nothing, and grows nothing is not a legacy. It is a balance that will eventually be spent down. The families whose wealth survives across generations treat their capital as an institution to be stewarded, not a prize to be parked. They keep it invested, they keep it deployed, and they build structures that require each generation to engage with it rather than simply inherit it.

The new $15 million exemption is a wonderful piece of that puzzle, because it lets families move significant capital without a federal estate tax dragging on every transfer. But it is one piece. Used well, it sits inside a broader plan that addresses income tax, capital gains, asset productivity, and the values you want your wealth to carry forward. Used poorly, it becomes an excuse to stop planning altogether.

The Conversation Worth Having Now

If you are a business owner or a family with significant appreciated assets, the passage of this law is exactly the right moment to review your plan, not to set it aside. The questions worth asking are different from the ones you were asking two years ago. They are no longer mostly about beating a deadline. They are about whether your wealth is positioned to keep working.

Ask yourself which of your assets you are holding for genuine strategic reasons and which you are holding out of an old tax habit that the new law has made obsolete. Ask whether capital that has been frozen for years could be repositioned, deferred, and redeployed into something with more momentum. Ask whether the wealth you intend to pass on is being treated as an institution to be built or simply a balance to be preserved.

These are not questions with a single right answer. They depend entirely on your situation, your goals, and what you want your wealth to accomplish for the people who come after you. But they are the right questions, and the families who ask them now, while the law is fresh and the planning window is open, will be the ones whose wealth is still compounding long after the headlines about this bill have faded.

The estate tax exemption did the easy part. It removed a threat. What your wealth does next is the part that actually determines your legacy, and that part is still entirely up to you.

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Disclosure: This content is for educational and informational purposes only. It does not constitute investment, financial, tax, or legal advice, and nothing here should be interpreted as a recommendation to buy or sell any security or pursue any specific strategy. All investing involves risk, including the potential loss of principal. Past performance does not guarantee future results. Tax laws are complex and apply differently to each person’s situation. Consult your own qualified tax, legal, and financial professionals before making any decisions.