It is disappointing when you see that there are not many resources to get BTC.
Online business with BTC is always risky, thanks to its anonymous nature. There are not many BTC earning opportunities. BTC is still not very popular among non-technical people.
many bitcoin users believe that gambling is a good way to increase your bitcoin amount so i guess it can be popular way but it is a wrong way.
because in the long run they all will lose more money than the amount they have made before.
there are far more popular ways to invest bitcoin and earn a nice profit. like investing in trading which has its own risks but at least you have some control over it.