A related product promotion shows your listing in a box of suggestions next to the item someone is already viewing. On the publisher listed, it appears as related modules inside a category page.
How it's sold
One publisher sells it, and you book it through its sales team. The listing is tied to the category the shopper is browsing.
What it costs
Most publishers quote the price on request, and related product slots are normally priced per click or as a monthly fee for the category.
What you supply
You supply a product or listing title, an image, a short description and a link.
Best for
It suits getting your product in front of people who are comparing similar items.
Before you buy
Check which categories you can appear in, since relevance decides whether the clicks turn into sales.