Bankroll is the amount of money the gambler is going to spend on gambling. It is wise to keep the bankroll separate from the personal finances. It will help you to avoid many financial problems. 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.
Always make sure that you insert the correct amount of coins into a machine. Your credits should be cashed out before you leave the machine.
While playing just have a good time. If you feel lucky increase your bets and vice-versa.