A hair transplant of 3,000 follicles will cost about $30,000.
The current market price for hair transplantation at a mainstream institution is $10 per plant, each follicle counts as one plant, and certain professions or time periods are eligible for a 10% discount, i.e. $9 per plant, which works out to $27,000.
On top of that, there are a few extras, including pre-operative lab tests such as routine, coagulation, and infectious disease tests, and a post-operative gift bag (including growth factor gel, anti-bacterial cap, iodophor, cotton swabs, and nursing pads), which will cost you roughly $2,000-$3,000.
There are differences in pricing among other mainstream hair transplant organizations, but the price is about the same with various incentives, so it is recommended that you visit a professional hair transplant organization if you have the need.