Get up to a $20 Kmart gift card when you transfer a prescription at Kmart Pharmacy and they will also donate $5 to the March of Dimes. It appears you can do this with up to $5 prescriptions too. Expires April 30th. This will make a prescription free (up to $20) You may need a free Shop Your Way Rewards membership but it's worth it.
There is no link to a coupon for this deal but the info I received says "See coupon for details" and "See pharmacist for details".