Woot offers Pamela's Products, Ultimate Baking and Pancake Mix, 64 oz for $10.99 (reg. $19.99) free shipping with Prime. 

Product Description:
Create light and fluffy pancakes and waffles, as well as delicious breads, cakes and muffins and savory entrees with Pamela's baking and pancake mix. It's also a great substitute for flour.

• Wheat free and gluten free
• Number one selling gluten free mix
• Versatile backing anything mix
• So many recipes
• Simple, fast, yummy