You can find time to read these topics which will be helpful against mistakes that can cost you your coins. The threads are old, but they are still very valid till today.
Security and Privacy EncylopediaBut also make sure that if you have huge amount of coins, use a cold wallet, only leave small amount of coins on online wallets and be careful of phishing attacks and clipboard malware.
Correct and also even if you are leaving smaller amounts In an online wallet you need to also learn the habit of protecting that wallet.
It may look simple but learning how to carry the very basic of wallet protections is the bed Rock in protecting even larger and bigger wallets, like keeping your seed phrase secured, avoid clicking unknown links, ensure wallet addresses are correct before sending our anything from your wallet.