There are two ways to make money in racing: (1) by luck. (2) by design. The majority of players make money by luck or not at all. To make money by design is difficult and precision must be used at every step to do so. The game is purposely made complex and difficult by the track administrators and race designers to keep racing as a business going. It’s already hard and complex without their help. To profit by design takes work and know how that can take years to learn under almost all circumstances. Outside of just plain luck making easy money in racing is an illusion.
More: continued here