People who are shipping large items can find discount overrun boxes at a local wholesale shipping supply warehouse in there area. This can save the buyer and seller some money on packaging fees. Look in your local real yellow pages phone book for the nearest shipping supply wholesaler and go visit their warehouse. Get a price guide for there products such as boxes, tape, bubble wrap, and other supplies. Most of the time the supplies cost less than what Office Depot and the retail establishments charge. Some boxes can be the same price. The key is to do your homework and shop around. If you buy in bulk, they can reduce the price substancially. Check your local listings to see if there is a wholesale shipping supply warehouse in your area.