http://www.pantene.com/jsp/special_offers/index.jsp?locale=en_US –store locator

Malt-O-Meal has a bunch of $1 coupons available online, and Walmart has the bags of this cereal available for $1.  This may not be valid at all stores, but there are many reports of them having this at that price. Here are the coupons:
http://www.malt-o-meal.com/walmart/
http://www.malt-o-meal.com/pages/special-offers/special-offers.php
http://www.malt-o-meal.com/cereal-central/become-a-member/b..

https://www.jnjvision.com/jumpstart/start.do?promoId=155&pro..

http://www.seattletownhometeam.com/ -sign up for the newsletter on the bottom