Amazon offers the MET-Rx High Protein Pancake Mix in Original Buttermilk for $12.49. Clip the coupon on the product page and checkout via Subscribe & Save to cut that price to $8.87 and bag free shipping. That's the lowest price we could find for a similar tub by $4.

Note: Be sure to cancel Subscribe & Save once your order ships or you'll be billed for subsequent shipments.