Duncan Hines Cake Mixes as low as FREE + Moneymaker! Stop & Shop Sale dates: 11/15-11/21 Starting 11/15, Duncan Hines cake mixes will be on sale for $1.25. We have printable coupons and a digital coupon available. Make this deal work best for you! Here's how to do this deal: Buy: (2) Duncan Hines Holiday Velvets @ $1.25 (if included in sale price) Total: $2.50 Use: (2) $.50/1 Duncan View Post