When people sit down to plan their estate, the goal is almost always the same: leave as much as possible to the people they love, with as little lost to costs, taxes, and delay as possible. It's a good goal. And the difference between a thoughtful plan and no plan can be measured in real dollars and real months of your family's time.
The encouraging part is that most of what eats away at an inheritance is avoidable. You don't have to be wealthy or sophisticated to keep more in your family's hands — you just have to address a few specific things that most people leave to chance.
Trim what probate takes
When an estate goes through probate in Illinois, it goes through court — and court takes time and money. There are filing fees, often attorney's fees, sometimes a bond, and a process that frequently runs the better part of a year or more before your heirs see what's theirs. Every dollar and month spent there is a dollar and month not going to your family.
Illinois does make smaller estates easier. As of recent changes to the Probate Act, estates under a raised small-estate threshold can often be handled with a simple affidavit instead of full probate. But note an important catch: if you own real estate in Illinois, that generally triggers formal probate regardless of value.
The cleaner approach for many families is to keep assets out of probate altogether. A properly funded revocable living trust passes your assets to your beneficiaries without court involvement — privately, and usually far faster. Other tools help too: assets held jointly, beneficiary designations, and transfer-on-death instruments can pass directly outside of probate. You can read more about how the court process works in our probate material, but for most people the goal is to need as little of it as possible.
Mind the Illinois estate tax
Here's something that catches Illinois families off guard. The federal estate tax exemption is very high — $15 million per person in 2026 — so most people assume estate tax is a non-issue. But Illinois has its own estate tax, and it kicks in at a much lower level: estates over $4,000,000.
That sounds like a lot until you actually add it up — your home, retirement accounts, life insurance proceeds, a business or farm, investments. For a successful family, especially one that owns land or a business, an estate can cross $4,000,000 more easily than expected. And Illinois has a particular trap for married couples: unlike the federal system, Illinois does not allow portability of the exemption between spouses. If one spouse dies without proper planning, that spouse's $4,000,000 Illinois exemption can be lost entirely, leaving the survivor's estate exposed to tax that good planning would have avoided.
The fix is well-established — properly structured trust planning that captures both spouses' exemptions rather than wasting one. For families anywhere near that threshold, this single issue can save a substantial sum, and it's exactly the kind of thing you want handled before the first death, not discovered after.
Don't let beneficiary designations undo your plan
Some of your most valuable assets — retirement accounts, life insurance, payable-on-death accounts — don't pass under your will or trust at all. They pass by beneficiary designation, and whatever that form says, wins.
This is where I see expensive mistakes. An ex-spouse still listed on a retirement account. A deceased parent named as beneficiary. A minor child named directly, which can force a court guardianship over the money. A blank form, sending the asset into probate by default. Any of these can override an otherwise excellent estate plan and send money exactly where you didn't want it. Reviewing and coordinating these designations with the rest of your plan is one of the simplest, highest-value things you can do.
Use trusts to protect what you leave
Trusts do more than avoid probate. They let you control how and when your beneficiaries receive what you leave — and that control can protect the inheritance long after you're gone.
A trust can hold assets for young or financially inexperienced heirs instead of dropping a lump sum on a twenty-year-old. It can include spendthrift provisions that shield what you leave from a beneficiary's future creditors, lawsuits, or divorce. It can provide for a loved one with special needs without jeopardizing their benefits. In each case, the trust keeps your money doing what you intended rather than evaporating in someone else's misfortune. Once your plan is in place, careful trust administration is what carries those intentions through.
It adds up
None of these moves is exotic. Reduce probate, plan around the Illinois estate tax, fix your beneficiary designations, and use trusts where they fit. Each one keeps more of what you built in the hands of the people you built it for — and together they can make a dramatic difference.
The families who leave the most aren't necessarily the ones who earned the most. They're the ones who planned. If you'd like to see where your own plan is leaking value — and where it isn't — let's take a look together. You can learn more about our approach to estate planning and we'll go from there.