To play smart on slot machines, it’s important to manage your bankroll effectively. Set limits on your losses and avoid chasing after losses by increasing your bets. Take breaks during your gambling session to keep your mind fresh and avoid impulsive decisions. It can also be beneficial to join player’s clubs or loyalty programs offered by the casino to take advantage of additional perks or rewards. Lastly, always remember that gambling should be for entertainment purposes and never gamble more than you can afford to lose.