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Documents & IP guide

Last Will & Testament Guide

What a will covers, what it doesn't, and why 'I'll do it later' is the most expensive plan of all.

Updated 2026-08-01·6 min read·Reviewed by AG FinTax

A last will and testament is your instruction manual for what happens to your assets — and your minor children — after you die. Without one, your state's default rules decide who inherits and who raises your kids. That's called intestacy, and it rarely matches what you would have chosen.

What a will covers

  • Beneficiaries — who gets what, and in what shares.
  • Specific bequests — particular items to particular people ("my wedding ring to my daughter").
  • Residuary clause — what happens to everything else (the most important line in most wills).
  • Executor — the person who manages your estate, plus an alternate.
  • Guardianship — who raises your minor children if you and the other parent can't.

What a will does NOT cover

  • Assets with named beneficiaries (life insurance, retirement accounts) pass outside the will.
  • Property held in joint tenancy or a living trust passes outside the will.
  • A will does not avoid probate — a trust does.

Witnesses and the self-proving affidavit

Wills are the strictest document to make legal:

  • You must sign in front of 2 witnesses (a few states require 3 — your drafter matches your state).
  • Most states let you add a self-proving affidavit — a notarized acknowledgment that streamlines probate later.
  • Wills cannot be e-signed. Wet signature plus witnesses, every time.
Store the signed original somewhere safe and tell your executor where it is. A will nobody can find is as good as no will at all.

Digital assets and pets

Modern wills also cover what happens to your social media, crypto, and online accounts — and can name a pet caretaker with funds set aside. If either matters to you, make sure your will addresses it.

A state-specific will drafted to your state's witness rules, with guardian designations and digital-asset clauses, takes about ten minutes to set up here.

Related will and estate variants

  • [Pour-Over Will](/legal-documents/pour-over-will) — a will that "pours" remaining assets into a living trust at death, ideal for comprehensive estate planning.
  • [Certificate of Trust](/legal-documents/certificate-of-trust) — a shortened document proving your trust exists and naming the trustee, used for banking and real estate transactions.
  • [Schedule of Assets](/legal-documents/schedule-of-assets) — an inventory of all assets to be transferred into or held by your trust.
  • [Bill of Transfer](/legal-documents/bill-of-transfer) — a simple document recording the transfer of personal property into or out of a trust.

Ready to put this into action?

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This guide is general information, not legal, tax, or accounting advice for your specific situation. State rules and fees change. For decisions that matter, review your plan with a licensed professional — AG FinTax's CPAs are available. See our disclaimer.