How do Catalina deals work and where do you get them ? Catalina coupons are coupons triggered by your purchase at the check outs. They are set by the manufacturers not the store. Say you bought a certain item and the Catalina triggered you to get a coupon spit out with your receipt at the end of your transaction. It could be from for cents off or even free items. So start looking at the coupons that come out with your receipt. Also the store will put out a Catalina sale, if you buy a certain amount of items totaling 30 dollars you'll get 10 dollars off etc.. So start watching those.