If your Walgreens sells these small boxes of Post cereal for a buck (not all carry this size), then grab your coupon from the 1/15 Smartsource insert (also regional) to possibly score a box for FREE!
Post Shredded Wheat (9.25 oz) – $1.00
Use $1/1 Post Shredded Wheat from 1/15 SS (exp 2/26)
Final cost is FREE!
(thanks Frugal Yakima Mom!)