i have decided to open a document mainly for passwords, paraphase, files and full details of my wallets. i don't want to suffer again.
Don't store all of your documents on one device and in one place. If your device is compromised, you will lose all of your money (on all wallets, all exchange accounts or bank accounts as well).
Back up is good but how to store backups is another thing to practice, that in turn will decide your safety.
If you have one device to store your backup, and wallet, don't bring it around (to coffee, restaurant, and public places). There are always risks of your device being stolen. Try to keep it as safely as possible and don't expose it to any threats.