TL;DR — A carousel that turns your own books into a cashback offer.
As a secondhand bookshop that lives on user-supplied inventory, I want to remind buyers that the books they already own have real resale value, so that I can convert passive owners into active sellers without a separate acquisition campaign.
Why ownership changes everything
This component works because it's not generic, it surfaces books the user actually bought on Knihobot, with a real price attached. The Endowment Effect tells us people overvalue what they own. Here it comes with a concrete cashback number before it fades.
How it works
The carousel lives on the user's seller profile. Each card shows one of their previously purchased books with a personalised cashback offer.
Why this interaction pattern
Animation isn't decorative, it is the physical act of picking a book off a shelf.