I crush these boxes and keep them because there is always a time where I need it. Some time in life. Maybe you realized you need a place to store something and you just threw the boxes out, you should keep them so you could resolve that problem or any others. Not really crush put flatten them.
PDF Downloads As a Pro member, you will gain access to download any Instructable in the PDF format.
You also have the ability to customize your PDF download.
Best answer I could come up with was to store stuff in.