I don't complain about the price... I'm just not going to pay it. He had a patent, he defended it and was able to sell his product, make millions and employ a bunch of people- good for him.
I'd be more inclined to build one for my own use if I thought it was beneficial... I never saw a need for one... there's maybe a price where I would buy one- but it's nowhere near $250
And if they determine that bump stocks are "machine guns", then owning them would be a felony with the same penalty as a Drop-in Auto Sear.
ETA: I personally would not enter into a business making firearm accessories in this political climate- too risky and unpredictable. But building something for your own use does not make you a manufacturer.

