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The Difference Between a Will and a Trust

Wills and trusts both transfer assets — but they work very differently. Here's what you need to know to make the right choice.

By the AmberLetters Team · 6 min read · Updated June 2025

When people start thinking about estate planning, one of the first questions they ask is: "Do I need a will or a trust — and what's the difference?" It's a great question, and the answer is more nuanced than most online articles suggest.

The short version: a will is simpler and works for most people. A trust offers more control and can avoid probate, but costs more and requires more maintenance. Many estates benefit from having both.

What a Will Does

A will (formally, a "last will and testament") is a legal document that:

  • Names who inherits your assets after you die
  • Names an executor to manage your estate
  • Names a guardian for minor children
  • Directs the distribution of specific items to specific people

A will takes effect only at death. It has no power during your lifetime. And after you die, your will goes through probate — the court-supervised process of validating the will, paying debts, and distributing assets.

What a Trust Does

A trust is a legal arrangement in which you (the grantor) transfer ownership of assets to the trust, managed by a trustee (often yourself during your lifetime), for the benefit of your beneficiaries.

The most common type for estate planning is a revocable living trust. You create it during your lifetime, you remain in control of your assets as the trustee, and you can change or revoke it at any time. When you die, the trust continues — the successor trustee distributes assets to beneficiaries according to the trust's terms, without probate.

The Key Differences

Probate

This is the most significant practical difference. A will must go through probate; a trust does not. Probate can be:

  • Time-consuming (6 months to 2+ years depending on the state and complexity)
  • Expensive (court fees, executor fees, attorney fees — often 2–5% of the estate)
  • Public (anyone can look up probate records)

A trust avoids all three. Assets in a trust can be distributed to beneficiaries within weeks of death, without court involvement and without becoming public record.

Privacy

Wills become public record when they go through probate. If you want to keep the details of your estate private, a trust is a significant advantage.

Incapacity planning

A will only takes effect at death. A revocable living trust takes effect immediately — meaning your successor trustee can manage your assets if you become incapacitated, without the need for a court-appointed conservatorship. This is a major practical advantage.

Cost to create

A will is less expensive to create — typically $300–$1,500 for a simple will with an attorney. A revocable living trust typically costs $1,500–$5,000+ to create because it involves more complex drafting. You must also transfer ("fund") assets into the trust, which takes additional time and effort.

Ongoing maintenance

A trust requires active maintenance — you must make sure new assets are titled in the name of the trust. Forgetting to fund the trust defeats its purpose. A will requires no ongoing maintenance beyond updating it when your circumstances change.

Guardianship for minor children

Only a will can name a guardian for minor children. Even if you have a trust, you still need a "pour-over will" that names a guardian and captures any assets not in the trust.

When a Trust Makes More Sense

  • You want to avoid probate (especially if you own property in multiple states — each state requires its own probate proceeding)
  • You have a large or complex estate
  • You want privacy
  • You want to control how and when beneficiaries receive assets (e.g., "at age 30" or "for education expenses only")
  • You have a special needs beneficiary
  • You want to plan for the possibility of incapacity

When a Will Is Sufficient

  • Your estate is relatively simple
  • You're comfortable with probate in your state (some states have simplified probate procedures)
  • Privacy is not a concern
  • You don't own property in multiple states

The Bottom Line

Most estates benefit from both: a revocable living trust to manage the bulk of your assets and avoid probate, plus a "pour-over will" to catch any assets not in the trust and name a guardian for minor children.

The right answer depends on your specific situation. The best next step is a conversation with an estate planning attorney who can evaluate your assets, family situation, and goals — and recommend the approach that makes sense for you.

Frequently Asked Questions

Do I need both a will and a trust?

If you have a trust, you still need a "pour-over will" to handle assets that didn't make it into the trust and to name a guardian for minor children. So yes — most people with trusts have both.

Does a trust avoid all taxes?

A revocable living trust does not reduce estate taxes — assets in a revocable trust are still counted in your taxable estate. Irrevocable trusts can be used for tax planning, but that's a more advanced strategy for larger estates. Consult an estate planning attorney.

What does it mean to "fund" a trust?

Funding a trust means transferring ownership of your assets into the trust — retitling bank accounts, real estate, and investments in the name of the trust. An unfunded trust provides no probate-avoidance benefit. This is one of the most common reasons trusts fail to accomplish their purpose.

Can I change a trust after creating it?

A revocable living trust can be changed or revoked at any time while you're alive and competent. That's the whole point of "revocable." An irrevocable trust, once created, generally cannot be changed.

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