Self-move companies will sell you boxes and other packing supplies, but you can probably find better prices if you shop around.

U-Haul

sells boxes and many other moving supplies at lower prices than you may find at an office-supply store. You can also get a full refund at any U-Haul location nationwide for unused boxes (don’t forget your receipt).

Budget Truck Rental

sells packing supplies and offers free shipping on orders of more than $75.

Internet sites

like www.onlinemoving boxes.com and www.boxesdelivered.com sell packing supplies at prices that can be 20 percent or more below those of office-supply stores and movers. www.onlinemovingboxes.com offers free shipping on all orders; www.boxesdelivered.com ships free on orders of $100 or more.