How to earn money with bitcoin ?
Honestly earning money with bitcoins varies in difficulty depending on the amount you currently possess, large amount means large profit, small often means so little to the point of it not really being worth it
The best idea for you would be to just hold the bitcoins until the halving happens and the value increases dramatically, then sell them off, i'm not an expert on this but i'm sure there are other sections you can go to to find out
If you have good amount of bitcoins to invest then I think you should go for trading as even a small fluctuation can give you best profits and that is the best way to play with your coins.