i have passive income
iam lending my bitcoin in poloniex, bifinex and btcjam
iam invest in cloudmining too
passive investment income is the best but it will require capital and will be at risk for you, why do not you try referral faucet, without capital and profitable?
because trying to gather refferal through faucet is need much effort and the result is just a pretty low,not worth it,and you will be most likely wasting your time if your refferal weren't claiming actively