One should know basic etiquettes which are required before entering a casino. These are some mannerisms which a player is expected to practice while at a casino. In general, a player must not loose his composure either while winning or even when loosing. Most games do not accept cash and you should exchange them for chips before the game.

For slot machines and video poker, do not occupy more than one machine if the casino is very crowded. Many players have a habit of playing at a number of machines to increase their chances of winning. For a blackjack game, one is required to know the hand signals beforehand. Bad mouthing a dealer or nay player is rude. For a roulette game, one should buy different set of chips as regular chips are not accepted. Also, each player is required to have a single color of chip set, so one should never exchange or share chips with a friend or a relative. The seats near the roulette table are for players only so one should not occupy a seat if he does not plan to play. In the game of craps, the player should keep the hands away from the table. He should not attempt to block the dice.
Lastly, tipping is important, however, it is not mandatory. But tipping a dealer or waitress out of generosity are considered good etiquettes.