Coupon code EASTER20 valid up to 3 uses per customer thru March 31 , 2012. Code must be entered at time of checkout to apply discount. . Discount does not apply to electronics, contacts, pharmacy or photo orders, gift card purchases, taxes or shipping charges. Orders must be placed by March 31, 2012 at 11:59pm Central Time to qualify. Timing will be determined by Walgreens server clock. Offer valid online only.