I made an appointment in advance to have my legs waxed. On the day I was to have it done, I arrived at the scheduled time. One woman was getting a manicure with the only employee. There was one other girl answering the phones and cleaning tubs, who I discovered later, was the manicurist's high school daughter.
Pros: I can't think of any.
Cons: Small, almost non-existent staff, poorly trained, unprofessional, low quality results.