There is a saying among the experienced gamblers in Las Vegas that you can burn your eyes out faster by looking at the sign of Las Vegas than by staring directly at the sun. This is a misconception, for it is used to baffle the players from the game so that they will think less about the game and more about the surroundings.
The odds in the casino of course favor the casino, obviously, otherwise the casino would not be in business. However, when playing these odd you can sometime turn them to your favor. For instance, there was a group of people who found out the the random chips in a certain slot machine was reset every day and payed out after a certain number of games. In this way they made a large amount of money by arriving at the casino at a certain time.
This is but one way to beat the odd in the casino in a fun creative way that enables you win money. However, this is not always necessary, since you can win perhaps smaller sums if you take your winnings in the beginning and leave while you are ahead. In this way you won't lose your money at the casino and in online blackjack.