Derby Jackpot has found their niche in the tricky US gambling market. With horse racing and off track betting legal in most states, Derby Jackpot has gamified the track online making it fun and easy to best on the horses, and watch the races live from the comfort of your home.
It is easy to setup a free account and use their practice mode before deposting real money. The deposit process is easy. (Min $10 deposit, but they match your first deposit with an extra $10 in free money).
Once the race starts you see the live stream. It's really fun, but be careful, it might be a little addicting to those of us who are missing our online poker betting sites in the US.