There is many sites with free sport predictions and tips. Some charge premium tips but offer free to. Most important are those who share statistic about winn and lose tickets. Than you can see are they good or not.
I decided to give it a try by betting on the races. It soon became obvious that it was a completely different game than just watching the races and more or less randomly betting. I needed real skills to be able to make money this way. Now, thanks to services like https://onlinecasinopolis.de/book-of-ra-deluxe-10/, you can learn to predict the results of races with high accuracy and earn good money in the long run. To be honest, not everyone can do it, but if you are dedicated and know what you are doing, horse racing is a great alternative to make money online.