The Martingale system is perfectly legal. Many online casino players use it to determine how much to 👍 stake on each hand or spin of the wheel. You can also use the Martingale system in sports betting., but 👍 a horse racing Martingale system would be difficult.

No, but there's no reason they would ever kick anyone out for that. Far more 👍 likely, the player would get a comp of some kind to encourage them to play longer.