In this video I show you three ways to resize your boxes to ship items.
My ebay store: http://www.ebay.com/usr/mojo88forever
Here's the box cutter/perforator tool shown above:
https://amzn.to/3zr7gdy
Link to where I found the hot wheel box video several months ago:
https://www.youtube.com/watch?v=yWsFXFFM1GM
Credit on this one goes to her. It's been a huge help sending smaller fragile items.