How to write a will: a practical, plain-English guide
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My neighbor Tom died at 54 from a heart attack. He owned a house, had two kids from his first marriage, and had been living with his girlfriend for six years. He never wrote a will. He didn't know how to write a will and kept assuming he'd figure it out later. His girlfriend assumed she'd get the house. His kids assumed they'd get the house. The state's intestacy laws gave everything to the kids. His girlfriend had thirty days to move out.
Tom wasn't lazy or irresponsible. He just thought he had more time, and he didn't know how straightforward it would have been to write down what he wanted.
If you've been putting off writing a will because it feels complicated, expensive, or morbid, this guide is for you. A will is a document that says who gets what when you die and who's in charge of making that happen. You can write one in an afternoon. The consequences of not having one last years.
What a will actually is (and what it can't do)
A will is a legal document that does three things: it names who inherits your property, it names a person (your executor) to manage the process, and if you have minor children, it names a guardian for them.
That's it. It's not a novel. It's not a contract with God. It's instructions for a probate judge.
What a will can't do is equally important to understand. A will doesn't cover assets with named beneficiaries, like life insurance policies, retirement accounts (401k, IRA), or bank accounts with payable-on-death designations. Those pass directly to whoever you named on the account forms, regardless of what your will says. A will also doesn't avoid probate. Your executor still files it with the court, and a judge supervises the distribution. If you want to skip probate entirely, you need a trust, which is a separate document with a separate process. The American Bar Association has a good primer on the differences.
For most people with straightforward finances, a will covers the essentials. You can always add a trust later if your situation gets more complex.
Before you write anything: take inventory
Writing a will before knowing what you own is like packing for a trip without checking the weather. You need a clear picture first.
Sit down and list your assets. Include:
- Real estate (your home, rental properties, land)
- Bank accounts and investment accounts not covered by beneficiary designations
- Vehicles, boats, recreational vehicles
- Valuable personal property: jewelry, art, collections, instruments
- Business interests or intellectual property
- Digital assets: cryptocurrency, online businesses, valuable domain names
Then list your debts. Mortgages, car loans, credit cards, student loans, personal loans. Your executor will need to settle these before distributing anything.
A woman I know, Linda, skipped this step and wrote a will that left her house to her daughter and her savings to her son. She thought this was roughly equal. But by the time she died, the house had appreciated by $200,000 while her savings account hadn't changed. Her son didn't contest the will, but the imbalance strained a relationship that had been close. Knowing your numbers prevents that kind of accidental unfairness.
If you've already put together a death binder, you probably have most of this information organized. If not, this is a good reason to start one.
The five sections every will needs
State laws vary, but the core structure of a valid will is consistent across the U.S. Here's what goes in each section.
1. Identification and declaration
This is the opening paragraph. It states your full legal name, your city and state of residence, and that this document is your last will and testament. It should also state that you're of sound mind and that this will revokes any previous wills you've made.
The "sound mind" language isn't a formality. According to the Uniform Probate Code (adopted in some form by most states), a person must understand what property they own, who their natural heirs are, and what making a will means. If someone later contests your will, this declaration is part of what the court reviews.
2. Appointment of executor
Your executor is the person who carries out the instructions in your will. Name a primary executor and an alternate in case your first choice can't serve. If you haven't thought about this decision yet, I wrote a separate guide on how to choose an executor that covers what to look for and who to avoid.
3. Bequests (who gets what)
This is the heart of the document. You can leave specific items to specific people ("My guitar goes to my nephew Marcus"), leave categories of property ("All my jewelry goes to my daughter"), or divide everything by percentage ("My estate is split equally among my three children").
Be specific. "I leave my stuff to my kids" creates problems. Which stuff? Which kids? What if a child predeceased you? What about stepchildren?
Two common structures work well:
Specific bequests first, then a residuary clause. You name individual items or dollar amounts for particular people, then include a catch-all sentence: "Everything else goes to [person/people]." This handles anything you forgot or acquired after writing the will.
Percentage-based distribution. You skip specific items and divide the total estate by percentages. This is simpler and adapts automatically as your assets change over time.
Most estate attorneys recommend combining both: specific bequests for sentimental items (the watch, the painting, the family Bible), then a residuary clause distributing the rest by percentage.
4. Guardianship for minor children
If you have children under 18, your will is where you name their guardian. Without this designation, a court decides. The judge will try to pick a suitable relative, but "suitable" by court standards might not match what you'd choose.
Name the guardian and an alternate. Talk to them before you finalize the will. Raising someone else's children is a big ask, and you want a genuine yes, not a surprise.
If you're a single parent, this section is especially critical. I'd recommend reading through end-of-life planning for single parents to understand the full picture.
5. Signatures and witnesses
This is where most DIY wills fail. A will isn't valid just because you wrote and signed it. In most U.S. states, you need two witnesses who watch you sign and then sign the document themselves. These witnesses should not be people named in the will, since a beneficiary serving as a witness can invalidate their own inheritance in many jurisdictions.
Some states (currently about half) also recognize holographic wills, which are handwritten wills with no witnesses. But the rules are strict and vary by state, and a holographic will is easier to contest. The safer path is two witnesses.
Adding a notarized self-proving affidavit makes probate smoother. It's a statement from your witnesses, signed before a notary, confirming they watched you sign. This means the court doesn't need to track down your witnesses later to verify the will's authenticity. The AARP's estate planning guide calls the self-proving affidavit one of the simplest ways to protect your will from procedural challenges.
How to write a will yourself vs. hiring an attorney
You can absolutely write your own will. In most states, there's no legal requirement to use an attorney. Online services like Nolo, LegalZoom, and FreeWill offer templates and guided processes for $20 to $200.
A self-drafted will works well when your situation is simple: you're single or married once, your assets are straightforward, you live in one state, and you have a clear idea of who gets what.
Hire an attorney when things get complicated. Blended families with children from multiple marriages. Property in more than one state (each state has its own probate rules). Business ownership. Large estates that might trigger estate taxes (the 2026 federal threshold is $13.61 million per individual, but some states tax estates above $1 million). Situations where you expect someone to contest the will.
A simple will from an estate attorney runs $300 to $1,000, depending on your location. It's money well spent if your situation has any wrinkles, because a $500 will can prevent a $50,000 probate fight.
Whatever path you choose, don't use a generic template without reading it carefully. I've seen wills where the person forgot to fill in the residuary clause, which meant a chunk of their estate was distributed as if there were no will at all.
Common mistakes that cause real problems
After reviewing hundreds of estate planning discussions on forums and talking to two estate attorneys in my research for this piece, the same errors come up again and again.
Forgetting to update beneficiary designations on accounts. Your will says everything goes to your current spouse. But your 401k still lists your ex-spouse as beneficiary because you never changed the form after the divorce. The 401k goes to your ex. The will doesn't override it. This happens constantly, and it's entirely preventable with a thirty-minute phone call to your plan administrator.
Naming minors as direct beneficiaries. If you leave money directly to a 12-year-old, a court appoints a financial guardian to manage it until the child turns 18, at which point they get the entire sum. An 18-year-old with a lump sum of money doesn't always make great decisions. A better approach is to set up a testamentary trust within your will, which lets you specify when and how the money is distributed (for example, a third at 25, a third at 30, and the rest at 35).
Using vague language. "I leave my personal effects to my children equally" sounds fair until three adult children are standing in your living room trying to split a set of dishes, a collection of first-edition books, and a piano. Be specific about items that matter. For everything else, say "to be divided equally, or sold and proceeds divided if they can't agree."
Not accounting for simultaneous death. If you and your spouse die together in an accident (it happens), your will needs to say what occurs. Most wills include a "30-day survivorship clause," meaning a beneficiary must survive you by 30 days to inherit. Without it, your assets could pass through your spouse's estate and end up distributed according to their will, not yours.
Storing the will where nobody can find it. A safe deposit box that only you can access is a bad storage choice. So is a password-protected computer file with no recovery method. Your executor needs to physically locate the original signed will. Tell them where it is. Give your attorney a copy. Keep one at home in a fireproof safe and tell someone the combination.
After you write it: what to do next
Signing and witnessing your will is the finish line for the document, but not for the planning.
Give a copy to your executor. Tell them where the original is stored. If you have an attorney, they'll usually keep a copy in their files.
Write a letter to go with your will. Not a legal document, just a personal one. Explain your reasoning. Tell your kids why you divided things the way you did. Mention items that aren't in the will but that you want certain people to have. This kind of personal letter can prevent more family friction than any legal clause.
Review the will periodically. The ABA recommends every three to five years, or after any significant life event. Marriage, divorce, birth of a child or grandchild, death of a beneficiary, a big change in what you own, a move to a different state. A will that reflected your life at 40 may not make sense at 60.
And file this task away as finished. You don't need to think about it constantly. The point of writing a will is so that the people you love don't have to guess what you wanted. Once it's written, you can go back to living. The document sits in a drawer and does nothing until it's needed. That's exactly how it should work.
If you die without one
This is the part nobody wants to read, and it's why I'm including it.
If you die without a will (called dying "intestate"), your state's laws decide who gets everything. Generally, your spouse and children inherit. If you're not married, your children get everything. If you have no children, it goes to your parents, then your siblings. Your unmarried partner of twenty years gets nothing. Your best friend who was like family gets nothing. Your favorite charity gets nothing.
The court also picks your executor (called an administrator in intestate cases) and, if you have minor children, their guardian. These may not be the people you'd choose. I wrote a full breakdown of what happens if you die without a will if you want the details for your state.
The fix is simple: write the will.
Getting started today
You don't need a free afternoon, a lawyer on retainer, or a complete emotional reckoning with your mortality. You need about two hours and a pen, or a laptop and an online service.
Start by listing what you own and what you owe. Decide who gets what. Pick an executor and a guardian for your kids if you have them. Write it down, sign it in front of two witnesses, and tell your executor where to find it.
When I Die Files gives you a place to keep your will, your important documents, and the personal letters that explain the "why" behind your decisions, all in one secure spot your family can access when they need it.
That's it. You've done something a surprising number of people never get around to. And unlike Tom's family, yours won't have to guess.