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Just play with "Basic-Strategy" blackjack.
However, If you start with low amount example like me 40$ you need to manage the balance into more than 100-200$ then you can start a bet normally (I most the time with all-in with 2-3x time). Next, once you get the balance you should using
Momentum Strategy double the bet each time you win. Example for my case, I bet 30$ then each win will double (Just like martingale system).
1st win (Bet 30$) = 30$
2nd win (Double Bet 60$) = 120$
3rd win (Double Bet 120$) = 240$
See how is going? is from 30$ bet. It's good while you're on fire streak (One key of gambling never leave on streak win, but leave on streak lose), the bad thing about this one if you got "WIN-LOSE-WIN-LOSE". Once bankroll increase you should increase the bet size too.
I play not only blackjack, but also baccarat and other live-casino game on evolution.