The simple way to earn Bitcoins through Gambling and Casino games is not by playing and depends on how lucky you are but by investing your money. You can still earn by playing but the question is how long? And in addition, you will never win if you scared to take a risk because gambling is taking risk. Still if you invest there is also risk beacause investing is also like gambling. Be aware also when you investing make sure to background check or research first to lessen the percentage to loose because investing is not 100% winning or earning a lot.