RE: GAMER Buyback System is LIVE

But even on the blackjack where the house hedge is very low

You are making a big mistake here, the "house edge"(commision) is low yes. But the real house advantage(probability) has already been integrated into the game, this one even higher without the surrender option. I would say it is generally a 3%, on top of the commission.

Of course it is hard to win the house this way.