Buy In

In gambling, a buy-in is the amount a player is allowed to bet, which is usually limited by minimum and maximum bets (betting floor and betting ceiling).  For instance, a player could say «The table I joined had a buy-in of $300 minimum with an $800 maximum.»

Buying in also refers to the act of purchasing chips during a game. For instance, “I decided to buy-in for $500.” 

Buy-in:

• Noun: the amount a player is allowed to bet
• Verb: the act of purchasing chips during a game