
The four-million-dollar line.
Most people think the estate tax is a problem only for the very rich. In Illinois, an ordinary home and retirement savings can cross the line.
Hosted by Joshua Mangoubi, CFAFounder, Considerate Capital
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You make the list at the kitchen table, on a yellow pad.
The house you bought for a third of what it would sell for now. The retirement accounts that grew quietly while the kids grew up. Maybe a little land, or a business. And the life insurance you signed for at forty, back when the mortgage scared you.
You add it up, and the number at the bottom surprises you. You weren't thinking about taxes when you started. You were thinking about the person sitting across the table.
This is A Considerate Retirement. I'm Josh Mangoubi, and I help people think clearly about money in the years around retirement.
Today is about one line that most people don't know they're near — the four-million-dollar line in Illinois — and why an ordinary house and ordinary savings can quietly cross it. Because here's the thing about this topic that stays with me. The families who get caught by it are rarely the richest ones. They're the ones who never finished the list.
Let me show you what I mean.
Most of the country has stopped worrying about estate tax, and for good reason. The federal line in twenty twenty-six is fifteen million dollars per person. That's out of reach for nearly everyone.
But Illinois drew its own line, and it did not follow the federal one. Illinois taxes an estate once it crosses four million dollars. It has its own rules, its own return, and it is handled by the Illinois Attorney General.
A quick definition, so we're speaking the same language. This is an estate tax, not an inheritance tax. It's paid by the estate itself, before anything passes on. Your kids don't each get a separate bill. The estate settles one.
Now, here's the part I want you to really hear. Your estate is bigger than it feels.
Everything you own at death counts toward that line. The house, at what it would sell for this spring — not what you paid in nineteen ninety-two. The retirement and investment accounts. The business, at what a buyer would pay. The farmland, valued by today's acre.
And the one that surprises almost everyone — the life insurance. The policy you bought so the mortgage would die with you? It may pay your family income-tax free. But for estate-tax purposes, it can still count. And it's very good at turning a list that reads three-point-six million into one that reads four-point-four.
So the core idea today is almost embarrassingly simple. In Illinois, the estate tax is mostly a tax on not counting.
Here's the picture I keep in my head.
Think of the Illinois exclusion like a shelter each of you gets once. You have one shelter. Your spouse has one shelter. Four million dollars apiece.
And here's the catch that trips people up. If the first shelter is never used, Illinois does not let the survivor carry it forward. It just... vanishes.
The federal system lets you pass that unused shelter along — they call it portability. Illinois says, plainly, no. One shelter per person. Use it, or lose it.
That's the trap. And the takeaway is this. In Illinois, the most loving sentence in your will might quietly throw away four million dollars of protection.
Let me make that real.
Picture a couple — let's call them Nora and Walt. Hypothetical, invented for this episode, so I can use round numbers.
They're both sixty-eight. When they add the house, the retirement accounts, the life insurance, and a small business interest, their list comes to about seven million dollars.
For years, they never thought of themselves as an estate-tax family. And federally, they are nowhere near the line. But in Illinois, they're a real bill.
Now their will says the most natural thing in the world. Everything to my spouse.
At the first death, that's fine. Nothing's taxed. Property passing to a spouse usually avoids estate tax at the first death. But watch what happens next.
Say Walt goes first. His four-million-dollar shelter expires, unused. Now Nora is holding the whole estate, and only one shelter left. One four-million-dollar shield, covering a seven-million-dollar estate.
And here's where the money stops being abstract. On that seven million, doing it the simple way, the Illinois bill can run past five hundred sixty-five thousand dollars. Done with the right structure, that same seven million can reach zero.
And notice who pays for the simple version. Not the two of them. The one of them. Nora, on her own, files the return. She already faces higher taxes as a single filer — that's the widow's penalty. And now she meets Illinois with half the protection the marriage had earned.
That's what the money is actually for, by the way. It's not a scoreboard. It's the grandchild's tuition. It's ten years of property taxes on the family home. It's the cushion that was supposed to make Nora's decade a little easier.
The takeaway here: "everything to my spouse" was written as an act of love. The trust version is the same love — with the paperwork finished.
So what do you actually do? Let me walk through what's worth weighing, gently.
First, know that the cliff you've heard about is a myth. Being one dollar over the line does not cost you hundreds of thousands. Run the state's own math on four million dollars and one dollar, and the tax is about twenty-nine cents. It's a ramp, not a cliff. But it is a steep ramp — from that first dollar over, each extra dollar costs roughly twenty-nine cents in tax. A five-million-dollar estate owes about two hundred eighty-five thousand dollars.
That is why Nora and Walt's yellow pad matters before anyone is grieving.
Second, for married couples, there's a well-worn fix. While you're both alive, each of you has a living trust you can change any time. The dividing instructions are written inside. At the first death, that trust splits itself. One piece — the family trust — uses the first spouse's shelter before it can expire. The other piece holds the rest for the survivor, usually without Illinois tax at that first death.
The quiet cost of this isn't the paperwork. It's that the two of you will sit in a lawyer's office, once, and talk about which of you might go first. That hour is most of the price. After that, the documents hold the answer — so the one left behind never has to build it alone, in the worst month.
Third, giving while you're alive. In twenty twenty-six, a couple can give thirty-eight thousand dollars per person, per year, without using up the federal or Illinois gift-tax math. Three kids and their spouses? That's two hundred twenty-eight thousand a year, quietly leaving your estate. And it turns into things you're still here to see. The kitchen. The degree. The front door with grandchildren behind it.
Fourth, the Florida question. Someone always says it. We could just move. Sometimes that's right. But moving yourself doesn't move the farm. Illinois still taxes real estate and land located here, no matter where you die. And before the tax makes the decision, weigh what the move really trades. The pew you've sat in for thirty years. The doctor who knows your history without the chart. Sunday dinner twenty minutes away. You can move yourself. You cannot move the farm. Florida is a good answer to winter. It's a thin answer to a tax you can usually plan around from home.
And here's the honest other half. If your real count — life insurance included — sits comfortably below four million, this is simply not your problem. A current will and clean beneficiary forms are your whole assignment. Buying trusts out of vague worry is just cost without benefit. A family that doesn't need a trust is not a family that's behind.
The takeaway for this part: count honestly first, then plan to the law that actually exists today.
Which brings me to your step.
Your Considerate Step this week is to finish the yellow pad. Add it all up at today's value — the house at spring prices, the accounts, any land or business. And then add the line almost everyone leaves off: the life insurance. Write down the death benefit — not the cash value, not the premium. You're not solving anything this week. You're just finding out which side of four million you're standing on. That one number tells you whether the rest of this even applies to you.
Let me leave you back at Nora and Walt's kitchen table.
The pad is out. The pen's uncapped. And this time, the life insurance is on the list — right there near the bottom, where it belongs. They haven't hired anyone. They haven't signed anything. They've just done the one thing that turns a surprise bill into a plan: they counted.
Because that's the whole idea today. In Illinois, the estate tax is mostly a tax on not counting. And counting is something the two of you can still do for each other, at the same table where all of this started.
At a considerate retirement dot com, you can also find The Widow's Penalty, for the question Nora would face next: why the survivor may file alone, on a smaller income, with a bigger tax bill, and what a couple can do ahead of time.
If your yellow pad lands near the four-million-dollar line, let that be the reason for one unhurried conversation — with us, your attorney, your C-P-A, or all three at the same table. The people who actually draft the trusts and file the returns are an estate attorney and a C-P-A — we don't do that part. What we do is help you count honestly, and make sure the money side is coordinated with them.
One quick, important note. I'm the founder of Considerate Capital, a registered investment adviser, and this show is educational and general — not personal financial, tax, or legal advice, and not a recommendation for your situation. Nora and Walt are a hypothetical composite, not real clients. Nothing here is a promise of results. For advice about your own life, talk with a professional who knows the details. For the trusts and the returns themselves, that means an estate attorney and a C-P-A.
I'm Josh Mangoubi. Sometime this week, get the yellow pad out — and don't forget the line for the life insurance. I'll see you next time.
The four-million-dollar line.
Prefer to read? This episode was adapted from the essay.

Joshua Mangoubi, CFA
Founder and Chief Investment Officer of Considerate Capital, a fee-only fiduciary. Each episode takes one real retirement question and turns it into a useful, unhurried conversation.
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