One of the most common things I hear when I tell people my profession is that they would not hire a personal trainer because it is too expensive. At 40$ an hour, I charge in the low-to-middle range per hour as far as trainers go, and I find it to be quite a fair rate. Here's why. I am speaking for myself here, but any other good personal trainer in the industry most likely also uses these principles when approaching the aspect of training a client. When I meet with a client f