Generally you will find Pedigree coupons in your Sunday circular within the paper. You can also purchase some on ebay where the seller clips them and offers free shipping. Be wary of coupon fraud though.
I appreciate your sentiments as my pet is definitely the one in charge in our home! Check out the Pedigree website under the offers link for printable coupons on their products.
Pedigree offers coupons for ($1 off per bag) on their homepage http://www.pedigree.com/05Offers/?CID=paidsearch. On their website you will also find comprehensive nutritional information on their products (see http://www.pedigree.com/really-good-food/ingredients.aspx
Use caution when looking up websites that offer coupons. Many of these websites are not legitimate and may trick you into signing up to receive spam email or unwanted downloads. The most trustworthy sources for Pedigree coupons are through Pedigree's official website and advertisements and the flyers mailed out by your local grocery stores.
You won't find a coupon for 40% off, but you can find several that offer 'free shipping' or 'free with purchase' offers. Retail Me Not (http://www.retailmenot.com/coupons/survivalfood) offers several coupons for purchasing survival food.
You can find easy to use food coupons on the following site: www.retailmenot.com. They have a lot of coupons.
You can find dog food coupons at the grocery stores or you can find them on the official internet websites that can help you to find those coupons for free.
Check your local supermarket and ads. Most times, companies will offer coupons and sales for their products. Also inquire your supermarket staff to learn if they have coupons or promotions available.
You can find free coupons for food on any grocery website, Groupons.com, Socialliving, and Coupons.com. If you do not have the internet then you can find free coupons in the Sunday paper.
You can find Food Lion coupons on their website. Just go to the following link; http://www.foodlion.com/Savings/Coupons and scroll down to browse the coupons.
You would have to inquire Pedigree directly to learn their policy on coupon combination. Also, most stores have a limit of coupon combination as well, so you would have to talk to your stores manager for information.
You can find food coupons on the following website: www.retailmenot.com. They have a great selection.
One of the main websites where you can find coupons for dog food is SmartSource's website. You can also find them in another great website for coupons called RedPlum.