It's a problem that solves itself: - If more people buy something, in the short term, you have shortages. - In the long term, you have better economies of sca

It's a problem that solves itself: - If more people buy something, in the short term, you have shortages. - In the long term, you have better economies of scale and prices go down. These things should be available for maybe $15 at most, generically, off-brand. Personally, I think this is the kind of exercise most people should go through perhaps annually.