Is flat rate shipping cheaper?
Photo Credit: Courtesy of 3DStockPhoto (flat rate image)
Otherwise, FedEx or UPS Ground will always be cheaper. If your item is heavier than 2 lbs, try to fit everything into a USPS flat rate medium box. If your item is heavier than 5 lbs, try to fit everything into a USPS flat rate large box. Otherwise, Fedex and UPS will be cheaper for heavier packages.