Amazon.com offers this Fiber One Caramel Delight Cereal 15.6-oz. Box 4-Pack
for $9.86. Order via Subscribe & Save and it falls to $8.16
with free shipping
. At $2.04 per box, that's about half of the best per-unit price we could find for a similar quantity elsewhere.
Of note, be sure to cancel Subscribe & Save after your order ships or you'll be billed for subsequent shipments at whatever price Amazon charges then.