Read truthcoin Paul Sztorc. It's better than all those books. Mining forget about it that's just a business. Flip burgers if it makes more sats.
do this checklist
Multisig, at least jade diy, sparrow on permanently air gapped laptop, maybe also bluewallet on offline phone, so 3/3 then back up in different places according to your situation.
Start to think about kyc. find someone to buy coins from non-kyc pay your buddy to take the kyc hit or buy on bisq. Keep kyc wallet or account separate from non-kyc.
The other stuff is a distraction from proper cold storage methods.