Bitcoin for some people worth the risk they took,going full at bitcoin,i would consider it if had no family under me,soo its better to let bitcoin as an extra income .
if you can earning more than realjob why not..? the future of bitcoin is very greatfull, if goverment adopt bitcoin technology each people will interesting to use it and we will see new digital era.
yeah I agree you friend who person is earn more money from bitcoin that is good for him but I think bitcoin is side job and your main job is also important for future and I don,t want to close one job because both are my source of income .