What's your take on group classes? Cardio tennis, bootcamps, live ball drills, drill play, or just plain ol' group lessons - Are they worthwhile? Some folks in my area have told me that these classes are super fun, but people don't really learn anything. One guy told me he paid $30 for a 1hr group class, 8 players in the group, they lined up and took turns hitting balls fed to them. This guy even counted how many balls he got to hit during this hour. Turned out to be around 35. That's almost a buck a ball..! Any feedback is much appreciated. Thank you all very much.