Coupon code 15THANKS valid up to 3 uses per customer thru December 1, 2012. Code must be entered at time of checkout to apply discount. Discount does not apply to electronics, diapers, formula, pharmacy or photo orders, gift card purchases, taxes or shipping charges. Code cannot be combined with other codes. Orders must be placed by December 1, 2012 at 11:59pm Central Time to qualify. Timing will be determined by Walgreens server clock. Offer valid online only.