Many sports betting jobs are located in or near stadiums and racetracks, but some jobs are also available online or in corporate offices. You frequently use mathematics, computer analysis software, and, occasionally, human intuition to make predictions and set betting odds.
A successful sharp  wins 54% of the time. A historically great sharp  wins at around a 60% clip. These are the best sports bettors in the entire world. Wanting to achieve these numbers at the jump or even over an extended period of time is a tall order.