Thumb Score: +23 Amazon has 3-Pack 36oz Similac Advance Infant Formula Powder w/ Iron on sale for $58.13 when you 'clip' the 35% Off coupon (located on product page) and checkout via Subscribe & Save. Shipping is free. Thanks RebatesandChemNote, must be logged into your account. Coupons are typically one use per account. You may cancel your Subscribe & Save subscription any time after your order ships.