Amazon offers the Kraft Blue Box Macaroni & Cheese 7.25-oz. Box 15-Pack
for $8.99. Add it to you cart via Subscribe & Save to make it $8.54
with free shipping
($0.57/box). That's a buck under our October mention and the lowest total price we could find for this quantity by $10. (It's also $5 under what you'd expect to pay at a local retail store.)
Be sure to cancel Subscribe & Save to avoid being billed for subsequent shipments.