Safety tips for new Satoshi BTC

I myself am new to this topic, so I posted what I know for the newbies.
So, with apologies, experts and seniors, please reply to me and add something new.

# Never use others computer or Public Wi-Fi to access your wallet or exchange always use secure connection

# Never put all bitcoin in one wallet

# If you trader never trade with one exchange use 3 to 4 exchange and divide btc with 3 or 4 parts

# Always use OTP ( On time passwords) for exchange login

#User hard copy or personal Dairy to save any passwords or logic access Never save it on you PC drive or Folder

# Never join any team views or others to learn any trading or use purpose for buy/ sell community

# Never join any airdrop from telegram group or social media

# Never click any unknown link from telegram or any social platform

#Never buy sell btc BTC from any social media ( You can Use reputable/Verified platforms to buy/sell)

# Always double check url to login exchange or btc related sites

#Never accept any SMS Based 2FA it will be swap your sim ( SIM SWAP ATTACK) so avoid any 2FA code by sms

# Make yourself update to learn about btc and it's news