Link: 10 Password Mistakes
Wordfence has an excellent post on this subject. While their post is aimed at WordPress users, the ideas are good for any password.
My own comment is this: Use MFA – multi-factor authentication. This is accomplished in various ways, such as an app on your phone, a texted code, emailed code, and so forth. It takes a little bit of time, but you’ll regret not doing it if somebody hacks your password.