“If you do everything just right you can be successful [on Amazon], but if anything goes wrong and you get suspended, you are just generally screwed,” Christensen told Recode. “They are the judge, jury, and executioner, and there is really no oversight.”

I don't know about you, but it seems like every time I buy any doohickie from Amazon nowadays, the seller or the manufacturer sends an email about some other thing that they're selling that they promise to refund you once you order it and give it a five-star review. :(