Amazon offers its Prime members this Life Cinnamon Cereal 13-oz. Box 4-Pack
for $17.16. At check-out, it falls to $8.58
. Plus, members qualify for free shipping
. (Non-members can spend $25 or more to qualify for free shipping; otherwise, shipping costs $8.55.) At $2.15 per box, that's $8 off and the lowest total price we could find for this quantity, although we saw it for pennies less in July. (For further comparison, it's $15 less than the lowest total price we could find for a similar quantity elsewhere.)
Amazon Prime membership is $79 per year; however, Prime is free for college students for six months, and free for parents and caregivers for three months.