I do not doubt that these people will deliver on this promise, but at what cost? Your out-of-pocket costs will be a bargain, but the following are real risks if you take up the ad and get a hair transplant from these folks
1- Your donor area will be depleted, and you are probably going to be bald around the side and back of the head
2- You may be over-treated with anesthetic and may not live through the surgery
3- The grafts may not grow because they were not handled properly
4- You may end up with necrosis in some of the transplanted recipient areas
5- Highly likely these are not doctors offering the service