Players there are generally on aren't playing level as you would be on and it will more to the fun than winning many dollars at blackjack.
As long as you are enjoying, you are not with the rent money, it is money well spent. Luck factor is quite important in this particular game. https://tingamegenz.com/giai-tri/cong-game-rikvip-san-choi-dang-de-trai-nghiem/23530