Go to CVS's Facebook page, click on "Special Offers" tab, enter your CVS Card # and email address and a free coupon will be emailed to you. You have to 'Like' them first, I think. Details: CVS It may not be St. Patrick’s Day just yet, but today is still your Lucky Day! Click our Special Offers link (below our profile picture) to score an instant coupon for a FREE candy or beverage! The coupon is good until 3/13 and will be sent via email. Sign-up ends 3/10. Tell your friends and give them a Lucky Day, too!