In episode 6 of How Not to Run an Online Bookstore, Paula talks about what it was like working through Amazon.com's third-party marketplace, including:

* Why they ended up selling through Amazon in the first place

* How much it costs to sell through Amazon

* What's involved in listing your books for sale

* Why the physical condition of a book sold through Amazon is so critical

* How to clean dirty books

* Why it's so tricky pricing books for sale through Amazon's marketplace

* What they did about sales tax

* Why customer ratings aren't all they're cracked up to be

* How they managed to sell books they didn't have and what they did about it

* How Amazon could do a lot better by its marketplace sellers

* Why it isn't profitable to sell new books through Amazon's marketplace.