Casinos make money because in none of its games can your skill be of any real help to you.   All games are dependant upon chance,  and regardless of what bet you may make,  the odds are against you.   When you shoot Craps or play Roulette in a casino,  the out-come will depend entirely upon luck,  even Blackjack is a game of luck,  but since you are given some chance in your play,  your skills will have an effect upon the amount that you lose. Considering the construction of the Roulette Wheel and the manner in which the game is played,  no Croupier or Dealer can possible spin the ball so as to cause it to fall into any particular side of the wheel,  still less select  a single number or a small group of numbers.   On of the worst feeling of all is losing back a big win because you got greedy. The best feeling in the world is walking out of the casino with their money.  It's a feeling that delights the mind and captures the soul.   People play Blackjack because they think that it can be beaten.  No other reason. When players bet on roulette,  often reason flies out the windows and emotions take over.  There is a bit of nervous tension in any gambling situation,  which is natural and to be expected.  However,  with several loses,  the tension may burn into panic or into an attitude of  "let me get rid of these chips and get out of here." These two factors have destroyed more players than any bad run at the tables.   If the player fully understand the game and works out a plan of betting and playing,  and goes to the table with a confident attitude,  he or she should end up a winner.   Systems which require that you stand around while you wait for the optimum time to bet do have some advantage of extending the time your capital will last.