Hello everyone. I am new here.
I used to play one zero roulette but because i am traveling right now in Latin America i started analyse and play a BJ.

When i played in Aruba, Panama, Costa Rica normally from 10visits i lose only one visit. Was a good results.
I always played only with continuosly suffering machine (not manual card decks)
Dealer always took 2 cards and one open face.

In Nicaragua they not use machines and i played by 6 hand deck. I lost hards.
But the dealer took only one card. And if i not bust or i fished my moves, he deal himself the second hand.
My question is: It can be that the game is not so suitable to play when dealer take only one card?
Also because i am not card counter but i am very good at managing my bankroll. Is better play with machine and the dealer or card deck and the dealer?
Mathematically by looking in the past i have better results with machine and the dealer.
Hope to hear anything from professionals.

Thank you for answers.