Amazon has a few good cereals on sale that comes out to $0.12 or less per ounce:
Post Raisin Bran Cereal
, 20-Ounce Boxes (Pack of 4)
link
- on sale for $11.47. With Subscribe and Save, it comes down to
$9.75 ($0.12 / oz)
Frosted Flakes Cereal
, Family Size, 27.5-Ounce Boxes (Pack of 2)
link
- on sale for $8.04 but is
$6.83 ($0.12 / oz)
when you do Subscribe and Save.
Honey Bunches of Oats Honey Roasted
, 48-Ounce Boxes (Pack of 2)
link
- on sale for $13.40 but is only
$11.39 ($0.12 / oz)
when you do S