Some professional or seasoned bettors only use the point spread bets and are wildly successful. Their success comes from making correct picks, not from overcomplicating the situation. We're going to walk you through the basics, and the mechanics of a basketball point spread bet, discuss the popularity and benefits, and offer some tips and strategies to help get you moving in the right direction towards profitability with these bet types.
The most important thing you can teach yourself early on is: "Just because the books assign one side to be the favorite (even large, -200 or -300, favorites), does not mean that they will win." We have all seen favorites get upset, and it is important to avoid the temptation of finding comfort in the fact that the lines makers put one team as a favorite.
Rotation numbers are standard from sportsbook to sportsbook. The number becomes a way to refer to the game and team without mentioning the teams name. It’s a sort of shorthand. Also, the rotation number allows each book to list the games in the same order—numerically. It is, in essence, a way to keep all of the games that are posted each day and throughout the week organized. That makes it easy for the bettor and the bookie.

Let us be clear before we go any further with this strategy tip. If there is value in a bet, go ahead and make it. What we want to talk about, though, are bets where you are risking an abnormally high amount of money to win a very small amount of money. While this is still technically profitable, you might not get enough opportunities to push through the variance and realize your value.
Bookmaker's interest - In order to guarantee a profit for the house, a bookie needs to create even action on both sides of a particular game. In a perfect world the bookie would have 50 percent of the handle come in on the underdog and 50 percent on the favorite. This ensures that the sports books are guaranteed a profit because of the 10 percent commission or "vigorish" charged on most sports wagers. This is why there is "movement" on the point spread. If one side on a game is being bet more heavily, the bookie must move the number in order to attract interest on the other side in order to balance action.
Let’s say that a ton of bets pour in on the Mavericks. In order to encourage more bets on the Celtics and even things out, they might move the line to 5 ½. This means that a bet on the Mavericks would now win only if they won by more than 5 ½ points instead of 4 ½. This would discourage more people from betting on the Mavericks, as they would have to perform much better to get you the victory.

"Point Spread" or "Handicap" odds are when it is possible to bet on whether the chosen outcome will be victorious once the listed handicap is added or subtracted to the game to which the bet refers to. In the circumstances where the result after the adjustment of the handicap line is exactly equal to the betting line, then all bets on this offer will be declared void. Example: a bet on -3.0 points will be declared void if the team chosen wins the match by exactly 3 goals difference. Any reference in this section to the term "margin" is intended to be understood as the outcome emerging from the subtraction of the points scored by the 2 opponents.

Betting on sporting events has long been the most popular form of spread betting. Whilst most bets the casino offers to players have a built in house edge, betting on the spread offers an opportunity for the astute gambler. When a casino accepts a spread bet, it gives the player the odds of 10 to 11, or -110. That means that for every 11 dollars the player wagers, the player will win 10, slightly lower than an even money bet. If team A is playing team B, the casino is not concerned with who wins the game; they are only concerned with taking an equal amount of money of both sides. For example, if one player takes team A and the other takes team B and each wager $110 to win $100, it doesn’t matter what team wins; the casino makes money. They take $100 of the $110 from the losing bet and pay the winner, keeping the extra $10 for themselves. This is the house edge. The goal of the casino is to set a line that encourages an equal amount of action on both sides, thereby guaranteeing a profit. This also explains how money can be made by the astute gambler. If casinos set lines to encourage an equal amount of money on both sides, it sets them based on the public perception of the team, not necessarily the real strength of the teams. Many things can affect public perception, which moves the line away from what the real line should be. This gap between the Vegas line, the real line, and differences between other sports books betting lines and spreads is where value can be found.

Let's use our example from earlier, but this time let's say you think that Florida will cover the -7 spread. Should you place this bet? Maybe. Yes, this is good value bet and one that you should bet, but maybe not right away. Let's say you think the public is improperly going to dump a lot of money onto Arkansas. If this happens and you wait to place your bet, the line might move in your favor. By waiting, you may be able to get Florida at -6.5 to win. This means that if you bet right away, you would only tie if they won by seven points. By waiting, you will win your bet now if Florida wins the game by seven points.
Easily the most popular type of betting for NFL football is “spread” betting or more commonly known as betting against the spread. Bettors who are new to NFL betting or betting in general may be a little confused with NFL spread betting, but it is pretty easy to understand once it is explained to you. We will explain what betting against the spread means below.
In this example the Jets are listed as four-point favorites (-4) over the Bills and the 49ers are three-point underdogs (+3) against the Seahawks. So, if you bet $110 on the favored Jets, they must defeat the Bills by more than four points in order to win $100. If you bet $110 on the underdog 49ers you will win $100 if they win outright or lose by less than the three-point spread. If the final score happens to end up exactly on the number it's a tie, or 'push,' and you get your money back.
You don’t have layers of complexity to fight through to see if your prediction is a positive expected value move (one that is going to make you money). With some simple mathematical calculations, you can figure out whether or not there is value in a bet. Even if you don’t like math and would prefer not to use it when assessing value and making your picks, it’s still much easier to “eyeball” value with moneyline bets because of the simplicity.
That was all before Charles McNeil, a math teacher from Chicago, invented the concept of the point spread. An avid gambler, McNeil created what he called “wholesaling odds” and started his own bookmaking operation in the 1940s. He started out offering this new style of betting on football, but his business model grew to include basketball.  McNeil changed the way sports betting was done, and his legacy lives on today in what we now call the point spread.
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