Online sports betting are gaining more and more popularity today. With the onset of FIFA World Cup 2010, the betting mania is set get even fiercer with more and more bookmakers betting the world cup odds for their favourite team and even group winners. There are a number of advantages to betting online. One major advantage is that the online sports betting is fast yet simple. The sign up process with most of the sites is pretty easy. These sites are open 24X7 and you can play at any time you like. You will get to know the betting odds earlier and prove to be more favourable than the ones in real brick and mortar betting centres. These sites offer lot of bonuses and prizes for each win and also on just signing up which will guarantee some amount of benefit to the player. The options made available by these online sites are plenty when compared to others. The most important thing what players would bother about is the reputation and safety while placing bets online. It is to be noted that while playing through the best sports books, you can be assured of the reputation and the confidentiality they maintain. Safety is assured to the player in any case.