Cardstore.com is offering up a free $6 credit to use towards cards plus free shipping!
Just go here, pick greeting cards to total $6 or under (we got 2!) and use code MCSFC0212 to get $6 off your purchase, which made our total $0!
Also, use coupon code HEART20 to get 20% off Valentine's Day cards!
(Thanks, Mashup Mom!)