Even Prime members have their reasons for not shopping at Amazon, according to research from behavioral marketing platform SmarterHQ, leaving opportunities for rivals to exploit. Above all, a massive 82% of Amazon Prime members would cancel their membership without free two-day shipping, according to a report released last week. There are other weaknesses, according to the report. For one, Amazon isn’t much of a discovery playground: More than half (57%) of buyers on Amazon are looking for a specific product, and 63% of all shoppers go onto Amazon’s site knowing what they want. A quarter of the time they’re buying name-brand items, the research found. Most Amazon shoppers are sticking to a limited number of categories, SmarterHQ also found. Between 37% and 57% buy electronics, books, movies and leisure products like toys and hobby items. Most chose not to purchase products above $200 on Amazon, according to the study. Read more at Retail Dive.