What is a 3-bet in poker? meaning, strategy, and when to re-raise

A 3-bet is a third bet in a series of poker bets. Most commonly a 3-bet occurs pre-flop, and is thus referred to as a pre-flop re-raise. 3-bets are used by poker players in a variety of situations, and are most commonly used by poker players for controlling the table and putting pressure on their...