As the name suggests, a sure bet is nothing but a series of bets placed on a single event either with multiple bookmakers or multiple betting exchanges so that, no matter what the outcome you are sure to win. In betting parlance, it is also known as arbitrage betting and means that you always make a profit by betting on any events outcome. The person placing the bet is known as the arber.
Though this sounds simple enough, sure bets need a lot of calculation and planning before you can actually place the bets. If you are using a betting exchange...