Estate Planning Basics: Wills, Trusts, Powers of Attorney, and What You Actually Need

Estate planning is one of those financial tasks that people postpone until it is uncomfortable — and sometimes until it is too late. The basics are not complicated, do not require significant wealth to justify, and protect your family from genuinely painful administrative and legal processes. Every adult with assets, dependents, or specific wishes about end-of-life care needs at least four documents.

The Four Core Documents

Last Will and Testament. Your will directs who receives your property, names a guardian for minor children, and designates an executor to manage the estate settlement process. Without a will, you die intestate — your state's default inheritance rules apply, which may distribute assets in ways you would not choose. Intestate succession typically prioritizes spouses and children, but the specifics vary significantly by state and can create complications for unmarried partners, stepchildren, or blended families.

Revocable Living Trust. A revocable trust holds assets during your lifetime, allows you to change or revoke it at any time, and transfers assets to beneficiaries upon death without probate. Probate — the court-supervised process of validating a will and distributing assets — is public, can take 6 months to 2+ years in contested or complex cases, and costs 2–5% of the estate in many states. A trust sidesteps this entirely. Revocable trusts do not provide tax benefits or asset protection; their primary value is the probate avoidance and the clear, private transfer of assets.

Healthcare Power of Attorney (Healthcare Proxy). This document designates someone to make medical decisions on your behalf if you are incapacitated. Without it, healthcare providers may defer to family members who disagree, or courts may need to appoint a guardian. This is equally important for young adults as for retirees — anyone can be in an accident.

Durable Power of Attorney (Financial). Designates someone to manage your financial affairs — pay bills, manage accounts, file taxes, make financial decisions — if you become incapacitated. "Durable" means it remains in effect even if you become mentally incapacitated, unlike a regular power of attorney which terminates upon incapacity. Without this, your family may need to seek court-appointed conservatorship — expensive and time-consuming.

The Beneficiary Designation Problem

The most common estate planning mistake is not a missing will — it is outdated beneficiary designations. Beneficiary designations on IRAs, 401(k)s, 403(b)s, life insurance policies, annuities, and payable-on-death bank accounts supersede your will. They are legally separate from the probate estate.

This creates real problems: an ex-spouse designated as beneficiary on a $300,000 IRA before a divorce will receive that IRA regardless of what the will says. A child born after the beneficiary designations were last updated may be inadvertently excluded. A beneficiary who predeceases you, with no contingent beneficiary named, sends the asset into probate.

Review beneficiary designations after every major life event: marriage, divorce, birth, death, major asset change.

Trusts Beyond the Revocable Living Trust

For HNW individuals and those with specific planning needs, additional trust structures may be relevant.

Irrevocable Life Insurance Trust (ILIT): Holds a life insurance policy outside of your estate. Death benefits paid to an ILIT are not included in the taxable estate and can provide liquidity for estate taxes or equalizing inheritances without being subject to estate tax themselves.

Spousal Lifetime Access Trust (SLAT): An irrevocable trust for the benefit of a spouse (and often children), allowing the married couple to use the current high estate tax exemption while potentially losing access to those assets only through the beneficiary spouse. Relevant now because the 2017 TCJA exemption is scheduled to reset.

Grantor Retained Annuity Trust (GRAT): Allows appreciation above the IRS hurdle rate (7520 rate) to pass to heirs estate-tax free. GRATs work best in low-interest-rate environments or when funding with assets expected to appreciate significantly.

Charitable Remainder Trust (CRT): You contribute appreciated assets to the trust, receive an income stream for life, get a partial charitable deduction, and the remainder goes to a charity. The asset sale inside the trust is not subject to capital gains. Useful for highly appreciated, low-basis assets.

The 2026 Estate Tax Cliff

The Tax Cuts and Jobs Act of 2017 doubled the federal estate tax exemption, which in 2025 stands at $13.99 million per person ($27.98 million per married couple). Assets transferred at death below this threshold incur no federal estate tax; above it, the rate is 40%.

Under current law, the TCJA provisions sunset on December 31, 2025 — the exemption is scheduled to roughly halve to approximately $7 million per person in 2026. Congress may extend or make permanent the higher exemption, but as of mid-2025 no legislation has passed. This creates urgency for individuals with estates in the $7M–$28M range to consider irrevocable transfers before year-end 2025.

Strategies to consider before a potential exemption reduction: gifting to an irrevocable trust to lock in the current high exemption, funding a SLAT, or accelerating charitable giving strategies. Work with an estate attorney and a CPA — this is not DIY territory.

What This Actually Costs

Basic estate planning documents (will, trust, healthcare POA, financial POA) from a competent estate attorney typically run $1,500–$4,000 for a couple in most markets. Complex estates with irrevocable trusts, multi-state property, or business interests cost more — $5,000–$20,000 is reasonable for sophisticated planning. Online services (LegalZoom, Trust & Will) provide documents at lower cost but with less customization and no ongoing advisory relationship. For anything beyond straightforward situations, use an attorney.