No gambling is not profitable and wise choice to earn money because a big risk for you nor us to lose money with that and i try indulge in gambling before and i lose big money with it. I suggest to earn money online is do paying game apps their existing paying dollars apps in google playstore and its really paying if you complete the task and if you want bitcoin you can do sig campaigns join in sig campaign and you can earn money when posting good quality post, you can also try to do simple task their in service section you post what you can do and you get payed by bitcoins.