The article provides a guide for voters in Washington state, where mail-in voting is prevalent. It emphasizes the importance of mailing ballots as early as possible due to new USPS rules that might slow postmark dates. The use of ballot drop boxes is also suggested for better reliability. The process of voter registration and change of address is explained, with online methods available until October 27th. Physical registration is possible at election headquarters or designated sites. The author also provides tips on replacing lost ballots and ensuring the validity of signatures. Other reminders include updating name changes and using any pen to fill out the ballot.