to collect BTC you have to diversify your earning methods
Try the signature campaign , trading , mining and also selling your skills for Bitcoins as well
Exactly you can also earn it from a single method but if you want to earn more then you need to go for multiple methods to earn higher amount of bitcoins.
every people has different methods to collect BTC, but for me, i collect from trading, sometimes playing faucets but not btc faucet, making some lending for my friends, or i give my btc to my friends and he will do trading, and the profit will be split for me and my friends.