As soon as you open the book, or take the cellophane off the movie, you are assumed to have consumed it, and cannot return it.
The EPIC marketplace is quite similar.
Also, the price of most things on the marketplace is similar (-ish) to books, DVDs, and Blu-Ray collections.
Buyers Remorse, yes, that’s a thing, but not a thing that digital media companies can afford to accommodate, because a bunch of idiots are ******* in the pool and poisoning the well, and thus we can’t have nice things.
Related to bad buyers spoiling the world for everyone.