Yes there is many ways. So far I know:

- Trading. Which requires a lot of study (Signals, etc etc) and the initial capital to start investing and trading

- Mining. using the L3 antminer, it will generate as we speak, or better said, as we read, around 0.2008 BTC each 7 days. You will need to invest, buy the miner, get ear plugs (this one is very very noise)

There should be more than those 2. Have a nice day and good luck!