This document outlines 20 common estate planning mistakes to avoid. Some key mistakes include failing to communicate estate plans with executors and beneficiaries, not specifically bequeathing sentimental items to avoid family disputes, and not periodically reviewing estate documents when life circumstances change. Other mistakes are not ensuring beneficiary designations are up-to-date, failing to address what happens to assets like family photos and passwords after death, and not planning for immediate post-death activities like funeral arrangements. The document advises estate planning clients to avoid these common pitfalls.