If you are a casual, once-in-a-while bettor, you do not really have to worry about such things as betting margins. The completely opposite is when you are trying to have long-term profit.
So what exactly is a margin? Well, this is how bookmakers make money. Simply saying the commission bookies take for placing the bet. It is applied on every bet regardless of the outcome by being factored in the odds. So, in reality, the odds you see on one of the top online bookmakers
' websites are not really representing true values. Instead, they showed that value with the margin, which is usually about 2-3%.
The best way to show the relationship between the margin and the odds is...