[PragmaticPulp]

I don't get it. Why do they have to send real product to the person if they're not relying on the receiver to write the review?

They could ship an empty box if they just needed a tracking number. If the customer isn't coming into the feedback loop, they don't need the product.

[daveleebbc]

Because Amazon itself is usually handling the storage and shipping -- you can't pay Amazon to store empty boxes in its warehouses. (With perhaps one exception: https://www.amazon.com/Cheap-Moving-Boxes-10-Pack-10MPK/dp/B... )