1. Of course, the most important of all is our Seed Phrase. This is like the key to our door to open or enter our house.
2. Let's not be too complacent and just store it on our google drives, usb, screenshots especially on our messengers, or whatsapp, because it can be prone to hacking.
3. Never let anyone know or give our seed phrase to other people especially if you know that your seed phrase has a large fund.
4. Make a to backup wallets, so we can be sure it's secure. So that we don't lose everything, just in case it gets lost, read or damaged.
5. Don't make the pin or password for our seed phrase complicated, because it's our protection on our device app.
6. Test the wallet first before you putting a big amount of money in it.
7. having an HD is highly suggested if we are plan to invest a big amount assets.
How to back-up your wallet? (https://tangem.com/en/blog/post/how-to-back-up-crypto-wallet/)