Backups are very important , but if you want to secure Bitwarden you need the strongest authentication factor - Hardware Keys like Yubikey, Nitrokey, OneKey, SoloKeys etc… in your setup . Because they are phishing resistent , in other way OTP’s like - Authenticator apps, SMS, Email are NOT resistent a phishing atacks .
Unic email addres for Bitwarden
2.Strong and unic random password
Strongest Auth. Method (Yubikeys)
Backup you vault at least fallowing 3.2.1 strategy.
Follow all the news of the community and apply what is recommended , as is the case of moving to Argon2id .
Open Web Vault using the app to avoid falling into copies / fake Bitwarden sites and phishing attempts.