Simple definition
A will is a legal document stating who receives your property when you die and who you want to raise your minor children. It also names an executor to carry out those instructions. Without one, state law decides how your property is divided and a court decides guardianship.
Why it matters
For parents this is the only place you get to say who raises your children. Beyond that, a will prevents your family from guessing — and arguing — during the worst weeks of their lives. It isn't about the size of your estate; it's about not leaving decisions to a court that never met you.
Real-life example
You have two young kids, a house with a mortgage, and a car. Your will names your sister as guardian, leaves everything to your spouse with the children as contingent beneficiaries, and names your brother as executor. Without it, a judge makes the guardianship decision using state law.
Common mistakes
- Assuming you don't need one because you don't feel wealthy.
- Writing one and never updating it after a marriage, divorce, move, or new child.
- Expecting it to cover accounts that pass by beneficiary designation — it generally doesn't.
- Storing the only copy where your family can't find it, or in a box only you can open.
Pro tips
- If you have minor children, naming a guardian is the single most important line in it.
- Coordinate the will with your beneficiary designations so they don't contradict each other.
- Tell your executor they've been named and where the document is kept.
- State requirements for signing and witnessing vary, and mistakes can invalidate a will — this is a good place for an attorney's hour.
Related Money Dictionary terms
- EstateEverything you own at death, including money, property, and belongings, minus what you owe.
- ProbateThe court process that validates a will, pays debts, and distributes property after someone dies.
- ExecutorThe person named in a will to carry out its instructions, pay debts, and distribute the estate.
- GuardianAn adult named to care for your minor children or a dependent if you are unable to.
- TestatorThe person who makes a will and whose wishes it records for distributing their property after death.
- IntestateDying without a valid will, so state law decides who inherits your property.
- Living TrustA legal arrangement you create while alive to hold your assets, letting them pass to heirs without going through probate.
Frequently asked questions
What happens if I die without a will?
You're said to die intestate, and state law decides who inherits — which may not match what you'd have chosen. If you have minor children, a court decides guardianship without your input.
Do I need a lawyer to write a will?
Not always, and simple situations are sometimes handled with reputable software. But signing and witnessing rules vary by state and errors can void the document, so an attorney is worth it if there are children, property, or any complexity.
What's the difference between a will and a trust?
A will takes effect at death and generally goes through probate. A living trust holds assets during your lifetime and can pass them outside probate, but costs more to set up and maintain. Many people have both.
Knowing what Will means is knowledge — the first half. A brick gets placed when you act on it: if you have minor children and no will, write down who you'd want as their guardian.
Also builds: Life Goals & Milestones
Sources & references
More in Estate Planning
Plain-English education — not personalized legal, tax, or investment advice.