If there was no money in the game to start, there'd be no incentive to play. In most of our home games, we start the pot off with an ante from each player. In Texas Hold 'Em however, there are no antes, but rather 'blind bets' that are used to start the pot off. A blind bet is a forced bet that must be made by a player before he even sees his cards. It is a mandatory bet.
Most cardrooms typically have two blinds, the small blind and the big blind.
The big blind is equal to the fixed betting limit for the first round. At a 3-6, the fixed betting amount for the first two rounds of betting is 3 dollars. Therefore, the size of the big blind is 3 dollars. The player to the left of the dealer places the small blind into the pot. The player to the left of the small blind places the big blind into the pot.