CVS coupon/SundayCoupon/Extrabucks method.
Publix
Target
ETC...
It's just too hard and time consuming...
but if you want to try...
this explains
CVS
http://www.frugalfabulous.com/2008/02/supermarket-steals-cvs-extra-care-your.html

http://www.afrugallife.com/

http://www.dealseekingmom.com/

http://www.consumerqueen.com/