Amazon has the 8.4-Oz Duncan Hines Mega Cookie (Double Chocolate Chunk) for $1.87 when you ‘clip’ the 20% savings coupon on product page and check out via Subscribe & Save. Shipping is free with Prime or $25+ orders.
Note: the 20% savings coupon is valid on the 1st S&S order only.
Also see (prices with coupon and Subscribe & Save):
- Sugar Pan Cookie Mix $1.87
- Chocolate Chunk $1.87
- Oatmeal Chocolate Chip $1.93