Get a CVS coupon for 20% off when you "like" the drugstore's Facebook fan page, then click on the Holiday Pass tab. Enter your ExtraCare card number and your email address to get the coupon. If you are not a member of CVS' free ExtraCare loyalty program, sign up online. Then, let CVS access parts of your Facebook profile by hitting the "Allow" button to get the coupon, which will be emailed to you.
It's unclear how many 20% off coupons CVS will be giving out. It looks like you have to sign up no later than Thursday, Dec. 23, 2010, to get a coupon that is valid through Dec. 26. The coupon is valid in stores only.
Caveats: One coupon per household. You can opt out of the CVS email list at any time. This coupon, called a Holiday Shopping Pass, cannot be combined with other offers. CVS employees not eligible.
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CVS Coupon for 20% Off