-Members are rude, condescending and classist
-Many clients don't want to be there, either their wife or husband or child signs them up for training against their will, and they will often refuse to exercise.
-Trainers are not allowed to workout in their gym, which is exceedingly inconvenient as you will often have big gaps in your schedule (again...classist) When I was there, there was a closet-sized "gym" the trainers could use that was full of old discarded equipment.
-There's no money to be made in the summer. All the clients go back up north.