Unfortunately most HT doctors are crap and into this business for money. HT is an elective surgery and therefore they don't care if the results are good so long as patients don't die, develop complicated conditions etc. I've known so many people who were practically disfigured after getting An HT.
P.S Average HT in US is about $4-8 per graft. Most people get 2000-3000 grafts per session so they DO make big bucks (on low end $8-12k to high end $16-24k). That's if you have one patient a day. Some doctors have 1-3 patients per day so you do the math. And more and more doctors doing HTs exclusively.
Also FWIW. I've seen most HT doctors are DO doctors. Those doctors who are really good at what they do have people lined up for 6-12 months in advance.
In terms of FUE vs FUT. In today's day and age, people want FUE. Each graft is extracted individually (virtually no scaring) instead of a smilie face scar in the back of your head. FUT is easier to do and takes less time, that's why most US doctors mostly do FUT. in Europe FUE is the norm. FUE leaves white dots as scars and thus allows people to wear their hair short.
The market is definitely there. People travel across the globe to have HT done at reputable clinic. There will never be shortage of bald people unless something comes out that changes genetics.
I agree, in order to be good at HT you will have to spend some time somewhere doing cases under supervision by someone who is good at it. That's why it's expensive to get started.
Most physicians do FUE but FUT is needed in some cases so you can either turn that patient away (which is fine because there will be many more) or learn FUT. The key to HT is learning the artistic side of it so patients look proportional and like the results.
I disagree that MOST doctors are crap and into this business. There are some that are crap because they take a weekend course and get started. But it is a business and a desire to help people get over insecurity. Cosmetic plastic surgery is the same. But for the most part if someone is willing to put in the time and get the training they will do well financially.
I knew a cardio-thoracic surgeon who quit his practice of 14 hour days 6 days a week and got trained in HT. He went from 80+ hours a week to 30 and made more money.
But it's not easy. It will take a significant investment in time and money. It is also extremely tedious work. One follicle at a time.