Every player must stick to his bankroll. Bankroll is the total amount of money you can afford to play with or to lose. With Bet Max button the player can play with the maximum number of coins available on this slot machine. If you have been playing one and the same slot machine for some period of time, you will be rewarded with casino comps. With these comps you can get free meals or even cash in some casinos. The percentage amount of the house edge indicates how much the casino wins from every bet over a long period of time. Payback is percentage amount of each bet dollar, that is paid back. If you play the slot machine with 86% payback it means that it pays back 86% and 14% is the house edge. Remember that these amounts are taken over a long period of time.

To know what you are playing is necessary for you.
It is important to know the correct amount of coins that should be inserted into a machine. Always cash out your credits before leaving a machine.
Only if you have fun your gambling won't be stressful. If you feel lucky increase your bets and vice-versa.