Let the people you are connected with know that you are moving, and that it would be a huge help if anyone had any leads on used boxes. The wording is key! Instead of asking people if they themselves have used
A local Recycling Center is worth trying. Recycling locations can be a good source of cardboard boxes. Check your local drop-off location; you should have a good chance of getting your hands on multiple items for the move. Many larger cities have numerous recycling drop-off locations that ac...