Casino | Jackpot 🎰 on Instagram: "Roulette players whispered about the Martingale like it was secret knowledge. Double the bet after every loss — sounds unbeatable. With a 5.26% house edge on American roulette, it isn’t. Seven losses in a row happens more often than people think. Table limits exist for a reason. His $10 bet became $1,280 in minutes. One more loss ended it. The system didn’t fail — probability did its job. The casino already knew the ending."