Most people buy the cheapest version because they don't have a reliable way of knowing if the more expensive items are actually higher quality. It's a "market f

Most people buy the cheapest version because they don't have a reliable way of knowing if the more expensive items are actually higher quality. It's a "market for lemons" problem: https://en.m.wikipedia.org/wiki/The_Market_for_Lemons https://en.m.wikipedia.org/wiki/The_Market_for_Lemons