I have been earning BTC through different claiming faucets like BTC clicks, Freebitcoin, Bonus bitcoin, adBTC, Moonbitcoin, Fieldbitcoins with no referrals for about 4 months now. It is so hard. Can someone tell me how can I earn more?? 
trading make you earn more bitcoin. need skill and analyze the situation of crypto world. with trading you can multiple your bitcoin in short time. it have high risk but it fun if you know what to do.
if you cant, you must join on signature campaign that pay you with bitcoin.