... what you are betting on and knowing your limitations are the keys to being a successful gambler.

Looking at a sports line, you will see that there is an underdog and a favorite. Generally, the point spread is next to the favored team and is, thus, a negative number.

For instance the Indianapolis Colts are a favorite this week by four and a half points (-4.5) and the Jacksonville Jaguars are the underdog receiving the four and a half points (+4.5).

There are two-point spread bets available on this game. If the Colts win by five or more points or if the Jags win o...

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