But then again, it all goes down to the purpose of why you are playing online gambling. This game has various purpose that is depend upon its users definition. To what gambling is for you, will dictate you strategy, you willingness to play, and how patient you are in playing. Many people disregard their purpose after a few days of playing and it makes them quit it.
The three elements of gambling are consideration, risk (chance), and a prize. We all must understand that the last one isn't just about the money. Gambling per se also provide good entertainment to its players. The thrill of winning is what entices the players to gamble and the money is mostly for the purpose of repeating the game of gamble.
Many do it for entertainment and they definitely will not share same playing tactics with those who are involved in it for the money. Like the above mate, has however clarified that it all depends on how long one intends to stay on the gambling because even on ordinary days people loose.
Well, the overall answer knows when why you are playing and if you do not mind making loses but if the goal is to make money, I think it is important to know when to spend Bitcoin especially when it comes to betting.