Mining is a good way to get a passive income. But mining bitcoin right now is not a good idea. You see the difficulty in mining bitcoin is much higher than before. I think you should try mining altcoins instead.
D you have an recomendation what is the good coin to mine? Have you heard about decred?
Go to whattomine.com. Plug in all hardware gpu, power consumption, and it will give you profit/loss analysis.