So in turn since these are his everyday prices then he is just overcharging.
You say overcharging I say charging what the market will tolerate.
He does not put a gun to the customer head.
No big deal here, this is America he can run his business as he wants (to some extent) and you will be able to run your business how you want.
His high prices make the other business prices look good.
Bob
By the way, check the hourly rates of plumbers, they usually get more.