When you are betting on sport, it pays to do your homework. If you fail to prepare, you are preparing to fail. The people who rush in and throw cash down on the counter on a number of results or outcome, are simply chancing their arm and basically see it as free betting, in the pursuit for a quick return. Unfortunately, that usually ends in tears. The shrewd sports betting punters on the other hand, have no such worries. This is because the professionals calculate their profits beforehand with the 888 bet calculator, 888's free bet calculator for the internet predictor out there in the UK.