Blackjack is the only casino game in which the chance of winning is not constant and can vary greatly depending on the skills of the player.
With a basic blackjack strategy and card score, the chance of winning is as close to 50% as possible and in some cases even gives the player a better chance of winning than losing.
Now you can answer the question “How do I win at the casino?” You can beat the casino by playing blackjack strictly according to the basic strategy, adjusting it based on the card account.
To sum up: If you want to win at a casino, you have to bypass slot machines, roulette and craps.
Learn to play blackjack and poker.