Poker Buy-In is a term used in the game of poker, which refers to the amount of money that a player must put up in order to join a game. The ante is the minimum amount of money that must be put up by each player in order to start the game. This amount is usually a small fraction of the total buy-in amount. The buy-in amount is the total amount of money that a player must pay in order to join a game. The ante is typically a small fraction of the total buy-in amount, and is used to create the pot for the game.