Roulette, blackjack and table games
What is the best 'casino system' for guaranteed profit?
Direct answer
None. Progression systems such as Martingale do not remove the house edge or guarantee profits.
How to use this answer
This answer is based on the mathematical principle or published rule identified in the source below. If the question involves a live betting market, confirm its settlement definition before applying it to a specific bet.
Separate the game’s mathematical probabilities from the casino’s house procedure. The odds may be calculable even where split, surrender, side-bet or payout policies differ between tables.