2. Find works wey you fit earn in bitcoin or convert to bitcoin
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For sure we should have a separate wallet that is dedicated for holdings that using a regular wallet that could easily get compromised or hack, at least wallet we don't transacts that often it would serve as our storage to hold bitcoin over there immediately we received payment from projects over here.
Your point is clear and yeah is good to create a separate wallet for our bitcoin investment like (non custodial wallet) where only you can have full control over your assets since bitcoin investment requires holding for Long term (4-5 years) so is always advised to store it in a place where scammers can not reach so easily except you will be the one to provide your seed phrase to them or disclosing your seed phrase to them by mistake. Because when you're using a non custodial wallet to store your assets it will be very difficult before scammers can penetrate it if you keep your seed phrase tight and secured.
Surely using a regular wallet to hold bitcoin is not that safe, Moreover you may not remembered linking your wallet in any of this sites/ airdrops. I'm sure that alot of people have been using thier wallet in most of this airdrop projects knowing or unknowingly which you May not know if they have gain access to your wallet or not that is the reason why using a regular wallet is not advised.