many ways in addition to getting money from the signature campaign .As invest your money in trading, do the faucet, and also play gambling. it will make you benefit.
Signature campaign, trading is okay but playing gambling and do faucet is wasting of time and money, there's is not guarantee that your money will be double instantly in gambling it's very risk, and doing faucet is wasting of time you cannot earn 0.01 btc in faucet bro even you stay 24 hours.