On: Fake Amazon Tech Book Reviews Are Hurting My Book

[vhost-]

You can easily detect that. If a person buys a lot of books and make a lot of 5 star or 1 star reviews, then returns them, that's clearly abuse and you ban them.

[jessaustin → vhost-]

Or just wait until they have a lot of books and then reject every return. Their purchase history would tell a compelling story for the credit card bank.

[Turing_Machine → jessaustin]

Amazon will in fact ban you if you have too many returns, or so I understand.

[testacct4 → jessaustin]

Or just buy the books used, perform the review, and sell them back, taking a small hit on shipping....