Since the turn of the century, everything has gone online; from shopping to gambling. One form of gambling is online sports betting. Betting is legal in many countries. To reach millions of bettors, the internet has provided the right platform for the betting websites and betting service providers.Betting basicsBetting is a form of gambling, where you put money on the team you think will win. Once it wins you get double or triple on the original money that you put in. Since it offers great value for the invested money, many people bet online on their favorite teams for quick money.Sport betting is prevalent in all kinds of sports right from soccer to American football to boxing to even tennis.So what does betting on online websites involve? Creating a username and password, a money account to put your money in and list of games to bet on. There is a science or rather, mathematics behind betting and the odds of winning.Math behind bettingMarriage of mathematics and gambling go a long way. The chances of winnings can be calculated by making informed decisions and analyzing the situation at hand.The math in Parlays betting is: (no. of teams)*(chances of one team winning the first time)*(chances of the same team winning the second time) = house edge.Each betting method has its own math and each math in the end gives the house edge result. If we see, the more the number of teams, the more chances of the house winning and you losing.Types of bettingThere are some 20 different methods of wagering: Straight bets, money lines, Spread, Runline, Puckline, Game Totals, Team Totals, Buying Points/Moving the Line, Parlays, Teasers, Round Robins, If Bets. Action Points/Bets, Action Reverse, Action Reverse Bird Cage, Futur Wagering, etc.Tips and AdvicesUnderstand the probability behind betting. Everything boils down to strategy. Gambling is not based on luck.Reading the odds is an essential skill. Betting website professionals can compare odds from various other websites and give you the info.Betting system varies for each game. Find out which betting will work the best for the chosen game. For example, Spread system works best with high scoring games like American Football and Parlays with baseball.Bet on home teams.Bet at the right time.Gamble and alcohol NEVER go togetherThe bookmakers release lines containing the best numbers. Betting on the best line should be your top priority.Betting is intelligent gambling. If you don’t use your brain you will end up losing all your money to the house, or in this case, the website. So ensure that you have adequate knowledge of the betting systems before you step into the American sports betting arena. Play intelligently, bet calculatingly.