Estate planning is meant to protect loved ones, yet a single oversight on a signature line can unravel everything. Families expect life insurance policies, wills, and trusts to deliver financial security, but mistakes in signing or missing documentation can wipe out entire inheritances. There are countless heartbreaking stories of beneficiaries who lost everything because of one signature error, often leaving them tied up in court or completely disinherited. These errors are easy to make and hard to fix, but understanding how they happen can help families avoid devastating outcomes. Here are nine real-life scenarios that show just how costly one small mistake can be.
