Earlier quoted context omitted.
I have been meaning to get into the FBA business and I downloaded the Helium10 extension for this. It allows you to see the inventory status of an item you are viewing on Amazon. It is shocking how many times something that says `sold by Sony` or `Amazon` yet I press `inventory` on the menu that the extension injects into the product page and surprise, surprise, most of the stock is coming from FBA sellers.
any idea where they get this info from? imagine a more consumer-oriented extension that could list whether a given amazon product was likely to have commingled inventory or not - do you think this is possible?
Take a look at the information it displays: https://i.imgur.com/ZbgfSlo.png
Ignore the price bit, it normally shows the price right but there must be a minor transient issue right now.
But as you can see, Amazon claims the product is sold by Sony. However most of the sellers are not Sony.
As you said, having a customer-oriented variant of this functionality would be an amazing feature for a browser extension.