I have been using UsedCardboardBoxes. com for years. They used to have a location on La Cienega but it only served locally now they've expanded and serve all the US. They're on the web now www.UsedCardBoardBoxes. com - I go to them everytime I move! I love them they're the cheapest and the boxes are delivered to your door in less than 2 days for FREE!!!!!
Pros: Cheap and FREE UPS 1-2 Day delivery
Cons: They don't advertise enough!!!! Everyone should know!
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