Place items in your cart. Orders be $29.99 or above to qualify At checkout, select ground day shipping and your discount will be applied automatically. Free ground day shipping on all robot orders purchased at http://store.irobot.com. Cannot be combined with any other offer. No adjustments for prior purchases. Free ground shipping in continental U.S. only (excludes Alaska, Hawaii, PO Boxes and APO/FPO addresses). Limited time offer.