Wrapping a pair of coils costs only a few bucks too. Its still the rest of the time the tools, the roof over your head when you spend time building as a job. There is a market for everyone just like buying beer, its still beer at the end of the day whether your six pack is 6$ or 15$. This is a free market you can do whatever you want. If you hit the nail on the head and make something really nice then you will reap the rewards.