Every player must stick to his bankroll. Bankroll is the total amount of money you can afford to play with or to lose. There is a bet max button on every slot machine. Bet Max button allows you to play with the maximum bet on this very slot machine. Comp is a bonus that a live casino offers players for continued play at one of their machines. It can take the form of free meals, shows or even cash rewards. House edge is an amount the casino is mathematically guaranteed to win over a long enough period of play. If the House has an edge of 5 percent on a particular game, they will win five cents over every dollar played at that game over a long enough 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.

I tis important to now what you are playing.
You should know exactly how many coins you are supposed to insert into a machine. Always cash out your credits before leaving a machine.
Only if you have fun your gambling won't be stressful. Be smart and change oyur bets according to your luck.