The answer to this question largely depends on the game being played, but in general it is possible to play blackjack with $1. However, the odds are not in your favor and it is not recommended that you try this at home. There are many variations of blackjack that can be played with $1, but the basic rules are the same: each player is dealt two cards face down and must decide whether to hit or stand. If the player decides to hit, they must choose one of their two cards and add it to their current hand. If the player decides to stand, they must keep both of their cards. The objective of the game is to either 21 (win), or get rid of all of your cards (lose).
In order to increase your chances of winning, it is important to understand how blackjack works and how different variations affect the odds. For example, some versions of blackjack allow players to double down on any number, while others only allow doubling on a specific number or suit (e.g., a player might be allowed to double down on 2s or hearts). Additionally, some casinos may have bonus rounds where additional points are awarded for certain combinations, such as hitting all ten cards or getting a blackjack. However, even if you do manage to win with $1 at a casino, it is important to remember that you will likely have spent more money than you would have won had you simply played without any money at all. Overall, while it is possible to play blackjack with $1, it is not recommended and there are much better games available online where you can have much more control over your odds.