[ChungusDeluxe]

The only method I know is simply putting dry ice of equivalent weight in the return box of the item. Would this work?

No it won't. There's a few other ideas been floated around especially regarding GPUs, do a search.

Tbh I would avoid Amazon for now without an aged account, too much trouble for little reward.

Why wouldn't it work? They just assume it's my fault the box arrived empty at the warehouse?