FREE-- 3 American Greeting cards at CVS

FREE-- 3 American Greeting cards at CVS
Here is how:
There is a $3 ECB available when you purchase 3 American Greeting cards. 
-- Buy 3 American Greeting Cards priced at $0.99 each
-- Pay $2.97
-- Get back a $3 Ecb (limit 1)
-- Final cost: 3 cards for FREE!