Have you heard about the secret Amazon return blacklist? They're quietly banning people who return "too much" — but just how much is too much?

Every time a box goes back across the counter with an Amazon return label, it drops into a sprawling, largely invisible system that decides whether that item will be resold, donated, dismantled, or ...

Returns on Amazon are free and easy for shoppers, but they're risky and expensive for the small businesses that sell a majority of the goods on the world's biggest e-commerce site. Returns have driven ...