McDade's doubles coupons up to and including 60 cents. They do take Internet Printable Coupons, as well.
No loyalty/membership card is required for sale prices.
Here are the deals:
Domino Sugar, 4 lb. bag
.35 Manufacturer's coupon from 8/30 Red Plum insert
Final Price: $1.19
Lipton Tea Bags, Family Size boxes
.60 Manufacturer's coupon from 8/2 Red Plum insert
Final Price: .80
Page 3 has a feature for Kraft products. There are several in-ad coupons. I am not sure whether these are considered "Store" coupons or "Manufacturer's" coupons, and I don't know if you can use one coupon for multiple products or if you have to clip multiple coupons. However, Kraft Shredded Cheese, Block Cheese, Sliced Cheese, and Oscar Mayer Deli Fresh lunchmeat are only .99 with in-ad coupon--That's a GREAT price!