A will and a trust both direct where your assets go — but they do it through very different doors. A will passes through probate, a public, court-supervised process. A properly funded trust can bypass it altogether, which is why it's the cornerstone of most estate plans.
A will is the baseline document of any estate plan. It names your executor, names guardians for minor children, and instructs the probate court on how to distribute your property. It takes effect at death and must be validated by the court — a process that is public, can take months, and carries fees that vary by jurisdiction but often run several percent of the estate.
A revocable living trust takes effect the moment you sign and fund it. You transfer your assets into the trust during your lifetime, retain full control as trustee, and name a successor to step in at your death or incapacity. Because the trust — not you — owns the property, those assets pass to beneficiaries without probate. That means privacy, speed, and no court fees on the transferred assets.
The catch is funding: a trust only avoids probate for assets it actually holds. A common failure is signing the trust and never re-titling the house, the brokerage account, or the business interests. For most families with a home and meaningful savings, a trust is worth the setup cost; for a simple estate with few assets and no minor children, a will may be enough. The right answer depends on what you own and who you're protecting.