Great question — answering as the UphillTech team:
You can use "text links" for individual products instead of Amazon's interactive widgets with images. When you search for a product, you can click on the drop down icon to quickly get the text link. That will have a pop up with just a normal URL that you can link to. I tend to use the shortening service that is available with one click. If you instead click on the main "Get link" button, you can still get the text link. It is available from the middle tab that says "Text Only". It is then up to get users to display these links on your pages and get users to click on them. You can host product images yourself and link those images. You can embed text links in appropriate places. Neither of...
Full answer by Stephen Ostermiller: https://webmasters.stackexchange.com/a/131692 (CC BY-SA 4.0).
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