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Common Estate Planning Mistakes to Avoid

  • Attorney Staff Writer
  • Apr 16
  • 11 min read

Updated: Aug 23

Man in glasses looks frustrated, holding his head, in front of a laptop. Background shows wooden shelves with a bottle. Mood is stressed.


Estate planning gives you the opportunity to decide who will manage your affairs if you become unable to do so and how your property will be distributed after your death. Yet many people make costly mistakes — sometimes without even realizing it — that can derail their plans or undermine the legacy they hope to leave. This guide highlights some of the most common estate planning errors and explains how to avoid them. Whether you’re just beginning your estate plan or revisiting an existing one, understanding these pitfalls can help you protect your loved ones and preserve your wealth.


Failing to Create an Estate Plan

The biggest mistake is doing nothing. Many people mistakenly believe they don’t have enough assets to warrant an estate plan or assume their family will automatically “know” what to do. Without a plan:

  • State law decides who inherits your property. Intestacy laws may give assets to relatives you wouldn’t have chosen or bypass beloved step‑children entirely.

  • No one can manage your affairs if you’re incapacitated. Without a power of attorney or living trust, your family may need to go to court to obtain authority to pay your bills or manage your investments.

  • Minor children may end up with guardians you wouldn’t pick. Courts will appoint guardians based on their judgment, which may not align with your wishes.

  • Probate can be time‑consuming and expensive. Dying without a will almost always requires probate and public court supervision.


Example: Carol never created a will because she assumed her husband would inherit everything. When she died unexpectedly, state law divided her estate between her husband and her adult children from a prior marriage. Her husband had to sell the family home to pay his step‑children their share. A simple will leaving the home to the husband would have avoided this outcome.


Using One‑Size‑Fits‑All Documents

The internet is filled with “free” wills and trust templates that promise quick and easy estate planning. While these forms can be tempting, they often fail to account for the nuances of state law or your personal situation. Using generic documents can lead to:

  • Unenforceable provisions. A will that doesn’t meet your state’s witnessing requirements may be declared invalid.

  • Unintended tax consequences. Poorly drafted trusts may trigger unnecessary estate or income taxes.

  • Incomplete coverage. Generic forms rarely address issues like digital assets, beneficiary designations, or guardianship instructions.


Consulting an experienced estate planning attorney ensures that your documents comply with current laws and reflect your wishes. Professionals can also help tailor strategies — such as trusts for minors or special needs beneficiaries — that an off‑the‑shelf form cannot provide.


Not Updating Your Plan After Major Life Changes

Estate planning is not a one‑and‑done event. Your plan needs to evolve as your life changes. Failing to update documents can lead to outdated beneficiaries, misaligned distributions, or conflicts among heirs. Common triggers for updating your plan include:

  • Marriage or divorce. A new marriage can automatically entitle a spouse to a share of your estate in many states, while an ex‑spouse may remain on beneficiary designations if not removed.

  • Birth or adoption of children or grandchildren. You may want to provide for new family members or adjust percentages among beneficiaries.

  • Death of a family member. If a named executor or trustee dies, your plan may need to be revised.

  • Significant change in assets. Selling your business, buying real estate, or inheriting property can alter the composition of your estate.

  • Changes in tax laws. Estate tax exemptions and rules for retirement accounts evolve. Regular reviews help ensure your plan remains tax efficient.


Example: Kevin executed a will naming his wife as beneficiary of his entire estate. Several years later they divorced, but Kevin never updated his will or life insurance beneficiary designation. When he died, his ex‑wife inherited his retirement account, while his children received nothing from that account. Updating his plan would have prevented this result.


Ignoring Beneficiary Designations

Many valuable assets, such as retirement accounts, life insurance policies, and payable‑on‑death (POD) bank accounts, pass outside of your will or trust. These assets transfer according to the beneficiary designations on file with the financial institution. Common mistakes include:

  • Failing to name a beneficiary. If there is no designated beneficiary, the asset may end up in your probate estate, delaying access and potentially increasing taxes.

  • Not naming a contingent beneficiary. If your primary beneficiary predeceases you and no alternate is listed, the account may pass to your estate.

  • Not coordinating designations with your overall plan. Designating a minor or special needs beneficiary outright can cause issues. It’s often better to name a trust as the beneficiary.

  • Naming your estate as beneficiary. This can trigger accelerated taxes for retirement accounts and expose the funds to creditors and probate.


Regularly review and update beneficiary forms to align them with your will or trust. Consider designating a revocable trust or special needs trust rather than individuals when appropriate.


Underestimating Probate

Probate is the court‑supervised process of settling your estate. While probate isn’t inherently bad, it can be slow, costly, and public. Misconceptions about probate often lead to poor planning:

  • Assuming small estates avoid probate. In many states, even modest estates must go through probate if there’s no planning.

  • Thinking a will avoids probate. A will directs probate; only trusts or beneficiary designations bypass it.

  • Not preparing for ancillary probate. If you own property in multiple states, your estate may need to go through probate in each state.


Using tools like revocable living trusts, transfer‑on‑death deeds, and beneficiary designations can minimize or eliminate the need for probate.


Neglecting Incapacity Planning

Many people plan for death but overlook what happens if they become incapacitated. If you’re unable to manage your finances or make medical decisions, a court may have to appoint a conservator or guardian. To avoid court intervention, include the following in your plan:

  • Durable financial power of attorney. Authorizes someone to manage your finances if you become incapacitated.

  • Health care power of attorney (health care proxy). Allows a trusted person to make medical decisions on your behalf.

  • Living will or advance directive. States your preferences for end‑of‑life care.

  • HIPAA authorization. Grants access to your medical records.

  • Revocable living trust. Allows a successor trustee to manage trust assets seamlessly.


Example: Mia, age 75, suffered a stroke that left her temporarily unable to speak. Because she had signed a health care power of attorney and a living will, her daughter could communicate with doctors and make decisions consistent with Mia’s wishes. Without these documents, her family might have disagreed about treatment and needed a court order to act.


Forgetting to Fund a Trust

A revocable living trust can be a powerful tool for avoiding probate and managing assets during incapacity, but it only works if it is funded — that is, if your assets are titled in the name of the trust. Common funding errors include:

  • Failing to retitle real estate and bank accounts. If assets remain in your individual name, they won’t avoid probate.

  • Forgetting to transfer ownership of vehicles, brokerage accounts, or business interests.

  • Not updating beneficiary designations on retirement accounts and life insurance. These assets require careful coordination; sometimes naming the trust as beneficiary makes sense, and sometimes it doesn’t. Consult an attorney or tax advisor.


To fund a trust, sign new deeds for real estate, execute transfer documents for securities, and update account registrations. Keep a list of trust‑owned assets and periodically review it with your attorney.


Overlooking Tax Planning

Estate and gift taxes may seem like an issue only for the very wealthy, but changing laws can sweep more families into the tax net. Additionally, income taxes and capital gains taxes affect everyone. Mistakes include:

  • Ignoring the estate tax exemption. The federal estate tax exemption changes over time. Failing to account for potential reductions could expose your estate to tax.

  • Gifting the wrong assets. Gifting appreciated property during your lifetime passes your cost basis to the recipient, potentially increasing their capital gains tax. Sometimes it’s better to hold the asset until death to receive a step‑up in basis.

  • Not filing portability elections. Surviving spouses can add unused estate tax exemption from a deceased spouse by filing an estate tax return, even if no tax is owed. Missing the deadline can cost millions in exemption.

  • Forgetting state estate or inheritance taxes. Several states impose their own estate or inheritance taxes with lower thresholds than the federal exemption.


Work with an estate planning attorney and tax advisor to estimate potential taxes and implement strategies like credit shelter trusts, lifetime gifts, charitable trusts, or family limited partnerships.


Poor Choice of Executor or Trustee

Your executor or trustee manages your estate or trust, pays bills, files tax returns, and distributes assets. Naming the wrong person can lead to delays, mismanagement, or family conflict. Consider the following when selecting a fiduciary:

  • Trustworthiness and competence. Choose someone organized, financially responsible, and impartial.

  • Willingness and availability. The role can be time‑consuming; make sure the person is willing to serve.

  • Potential conflicts of interest. Naming one child as trustee over siblings could cause resentment. In blended families, a neutral professional may be better.

  • Geography. Fiduciaries often need to handle property or attend hearings. Choosing someone local can simplify administration.


Some people appoint co‑trustees to balance strengths or name a professional fiduciary (such as a bank or trust company) when the estate is complex or family dynamics are tense.


Lack of Communication and Documentation

Keeping your intentions secret might seem like a way to avoid conflict, but it often does the opposite. Failing to communicate your plan can result in surprises, hurt feelings, and litigation. Similarly, hiding your documents can impede execution. Avoid these pitfalls by:

  • Discussing your plan with family. Explain your reasoning so children understand why they may not receive equal shares or why a trust is in place.

  • Storing documents safely. Keep original wills, trusts, and powers of attorney in a fireproof safe or with your attorney. Provide copies or location information to your executor.

  • Writing a letter of intent. This non‑binding document explains your values, funeral wishes, or how you want guardians to raise your children. It provides guidance beyond the legal document.


Overlooking Digital Assets

Increasingly, our lives and wealth are tied to digital accounts: email, social media, online banking, cryptocurrency, cloud storage, and digital photographs. Without instructions, these assets can be lost or inaccessible. Ensure your plan addresses:

  • Inventory of digital assets. List accounts, usernames, and a secure way to access passwords (e.g., a password manager with instructions for your executor).

  • Designation of a digital executor. Some states allow you to name a separate person to manage digital assets.

  • Authority in your will or trust. Include language granting your fiduciaries access to digital assets under applicable laws such as the Revised Uniform Fiduciary Access to Digital Assets Act (RUFADAA).


Ignoring Special Circumstances

Every family is unique. Planning that works for a traditional family may not fit a blended family, unmarried partners, or families with special needs. Specific situations require tailored solutions:

  • Blended families. Use trusts to provide for a spouse while preserving assets for children from prior relationships.

  • Special needs beneficiaries. Create a special needs trust to preserve government benefits and provide supplemental funds.

  • Minor children. Establish trusts or custodial accounts to manage assets until children reach appropriate ages. Simply leaving assets outright to minors can require expensive guardianships.

  • Pets. Include provisions for pet care or create a pet trust to fund their expenses.


Failing to anticipate these circumstances can jeopardize the very people you intend to protect.


Insufficient Insurance Coverage

Life insurance and long‑term care insurance can be integral to estate planning. Common oversights include:

  • No life insurance for young parents. Without insurance, your family may struggle financially if you die during your working years.

  • Underinsuring a stay‑at‑home spouse. The value of caregiving and household management is often overlooked.

  • No long‑term care planning. Paying for nursing home or home health care can quickly deplete your assets. Long‑term care insurance or hybrid life/long‑term care policies can help preserve wealth.

  • Failing to name beneficiaries properly. Policies should align with your overall plan; sometimes a trust is a better beneficiary than a minor child.


Improper Gifting

Gifting assets can reduce your taxable estate and provide support to loved ones during your lifetime. However, poorly planned gifts can backfire. Pitfalls include:

  • Giving away too much. Don’t compromise your own financial security. Work with a financial advisor to determine how much you can safely give.

  • Triggering capital gains taxes for recipients. The recipient receives your cost basis. Selling appreciated property after gifting may result in large capital gains taxes. Compare the tax impact of gifting vs. leaving the asset at death with a step‑up in basis.

  • Violating Medicaid look‑back rules. If you need nursing home care and apply for Medicaid, gifts made within a certain period (typically five years) can disqualify you or require private payment.

  • Giving assets directly to minors. Transfers to minors require guardianship or custodial accounts under the Uniform Transfers to Minors Act (UTMA). A trust may be more flexible.


Consider structured gifting strategies, such as annual exclusion gifts, education and medical expense payments directly to providers, or contributions to 529 plans.


Failing to Plan for Long‑Term Care

Statistically, most people will require some form of long‑term care. Yet many fail to plan for this potential expense. Mistakes include:

  • Assuming Medicare will cover long‑term care. Medicare provides limited skilled nursing care but not custodial care.

  • Waiting too long to buy long‑term care insurance. Premiums increase with age and medical conditions.

  • Misunderstanding Medicaid rules. Medicaid can pay for nursing home care for eligible individuals, but it has strict income and asset limits. Proper planning, such as using long‑term care partnerships or asset protection trusts, can help.


Planning for long‑term care may involve purchasing insurance, creating a Medicaid‑compliant asset protection trust, or setting aside funds specifically for care. Consulting an elder law attorney is essential.


Losing or Hiding Important Documents

Even a well‑drafted estate plan is useless if no one can find it. Avoid this mistake by:

  • Storing originals safely. Use a fireproof safe, safety deposit box, or attorney’s vault. Ensure your fiduciaries can access them when needed.

  • Providing copies or a document inventory. Keep a list of important documents, accounts, and contacts. Share this with your executor or a trusted family member.

  • Updating the inventory. As you add or close accounts, update your list.


Thinking Estate Planning Is Only for the Wealthy

Estate planning isn’t just about money. It encompasses decisions about guardianship, healthcare, and personal property. Even if your estate is modest, planning ensures:

  • Your children are cared for. Naming guardians protects your minor children if something happens to you.

  • Your healthcare wishes are respected. Advance directives guide doctors and family members.

  • Your assets are distributed according to your values. You can leave sentimental items to specific people or make charitable gifts.

  • Your loved ones avoid unnecessary stress. Clear instructions reduce confusion and conflict during an already difficult time.


Frequently Asked Questions


Do I need a lawyer to create an estate plan? While it’s possible to draft basic documents yourself, laws vary by state and mistakes can have costly consequences. A lawyer ensures your plan complies with legal requirements and addresses your specific needs.


How often should I review my estate plan? Review your plan every three to five years and after major life events such as marriage, divorce, the birth of a child, or significant changes in your finances or the law.


Can I name one child as executor without upsetting the others? It depends on family dynamics. If one child is more organized or lives nearby, it may make sense. However, communicate your choice to all children to avoid resentment. You can also appoint co‑executors or a neutral professional.


What happens if I don’t have an estate plan? If you die without a will or trust, state intestacy laws determine who inherits your property. A court may appoint guardians for minor children and a personal representative to administer your estate, which could lead to outcomes you wouldn’t have chosen.


How can I include digital assets in my estate plan? Create an inventory of your digital accounts, store passwords securely, and grant authority to your executor or trustee in your will or trust. Some states have laws like RUFADAA that allow you to designate a “digital executor.”


Conclusion

Estate planning is an ongoing process rather than a single event. By learning from common mistakes and working with qualified professionals, you can design a plan that protects your loved ones, preserves your wealth, and honors your values. Avoiding pitfalls like failing to plan, ignoring beneficiary designations, and not updating documents ensures that your intentions are carried out smoothly. Take time now to review your current plan, or start one if you haven’t already. Your family will be grateful for the clarity and security your planning provides.

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Disclaimer: The Trustee Handbook provides general educational content and is not a substitute for legal advice. No attorney–client relationship is created. Consult a qualified professional for guidance on your specific situation.

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