Poker is a card game where players compete to form the highest-ranking hand of cards in order to win the pot (all bets placed). While chance plays a large role in any given hand, over time, players can learn to improve their chances by studying strategy, psychology, and probability.
Once all players have a full set of cards, the pot is awarded to the player with the best hand. The game originated in the 19th century, and spread up and down the Mississippi River on crews of riverboats transporting goods and soldiers during the Civil War. It eventually made its way to the West, becoming a staple of Wild West saloons.
If you have a strong enough hand to see the flop, you should raise the minimum bet by at least doubling it. Otherwise you are letting your opponents see the flop for free, and they may have an even stronger hand than yours.
A good poker player can also make a great profit by exercising pot control. By raising when an opponent bets, a good poker player can inflate the pot and increase their own winnings.
Another way to increase your winnings is by reading your opponents. You can do this by learning their tells, such as eye movements, idiosyncrasies, hand gestures, betting patterns, etc.