Welcome to AFC!!

Double coupons: ask at customer service at your local store.

Check out the Steals and Deals section (blue bar at the top of your screen--Resources).

Look at bottom of your screen where it says, "new to the site?" You'll see the list of acronyms.

As far as more than one coupon...Most stores will take a manufacturer coupon and a store coupon for the same item. The store coupon will say "Target Coupon" or "Walgreens coupon" or whatever on it. Manufacturers coupons say "manufacturer's coupon" on it most of the time. The bulk of the coupons you find are manufacturer's coupons.

Hope this helps!