For its Prime members only, Amazon takes an extra 30% off select Pampers diapers multipacks via this clippable coupon. Plus, cut an additional 20% off when you checkout via Subscribe & Save. (Both discounts are taken from the original sale price, making your total extra discount 50% off.) Better yet, these orders bag free shipping.

Note: Be sure to cancel your subscription once your order ships to avoid being billed for further shipments.