I am new to couponing and still trying to learn some of the rules. I know what coupon stacking is and I know that some stores do it and some don't.
for those that DO, I heard you can't stack if the coupon states that use of more than one manufacturer coupon is prohibited, but I heard from someone else that you can stack those as long as they have different UPC codes.

anyone know the answer to this? help please! lol