Skin Business Credit

Skin Business Credit
What kind of classes would be good to take?

If I were to wish to gain experience before having my own skin or Medspa Solutions business? I classes in medical billing, but I think these companies mainly operate on a cash / credit. Unless you already own one of these businesses and have invested the capital and there is not much available in terms of training. Does anyone have any other idea that just business class?

I would recommend getting work in a similar business …… not learned in the classroom he can in the real world. Nothing against education, and the classes mentioned are critical to its success, but I would like to combine real world experience in the industry intends to do business in.