Check it out!!! Time to Head on over to Coupons.com where you can print a new $0.75/2 Duncan Hines products (including Duncan Hines Comstock and Wilderness) coupon – expires 30 days from printing. This coupon should make for a great deal on Frosting Creations packets, Brownie & Cake Mix, Frosting, and more sweet treats…especially since it prints with NO SIZE EXCLUSIONS! Duncan Hines products often go on sale for only $1, so just 63¢ each when paired with a sale. Print Now before they are gone!