Guidelines for shipping to PO Box addresses: Maximum weight for packages shipped within the mode coupons webshop 48 contiguous states is 8 lbs. Online merchandise can be returned to a retail location, but may be charged a restocking fee. If you use our sites or applications on or after February 20th, 2018, you are agreeing to the new. Save on just about every department when you shop with Harbor Freight coupons. The lift-gate charge covers the cost of this special delivery. M, store Locator, weekly Ad, customer Service. Some items like pumps, sprayers and gas-powered tools may be ineligible for return. Harbor Freight got its start as a salvage store in 1977. See each listing for international shipping options and costs.