I bought three items using a CVS 30% off coupon. Two of the items were the CVS brand (Musinex) tablets at $17 and CVS brand cough drops (like Halls) at $3. They only gave me 30% off the drops because of some unposted rule about only getting 30% off the second item. When I returned the whole thing (intending not to get the cough drops) they wouldn't give me...
