Most at times some common thing may likely triggered lost in gambling which is very hard to deal with, for instance you wanna bet a game or gamble as the case maybe, you had $300 worth in BTC and you intend $50 to bet at last from your prediction you have this mindset that all the predicted matches are correct score sure to win they you would be triggered to bet $300, maybe lastly you ended up losing all. This is called "Heart of Greed, or Mind of Greed" why not bet with the little having a reserve, anyone who can conquer greed is likely to be successful in gambling or concerning about real life cases.

About the rules most gambling site makes it known to bettors, likely all have it at their fingertips. So people should maximized risk management understanding it is a game of probability then the best for you to succeed.