My most recent Forbes post looks at how New Jersey has done with sports betting:
So how did New Jersey do? Despite a few well-publicized gaffes, the rollout of sports betting in the Garden State has been relatively smooth. Football season is well underway, and eight physical sports books are up and running, with seven authorized providers offering online and mobile betting through a variety of sites and apps.
Read it all: Did New Jersey Fumble Sports Betting In September?