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Frosted Flakes, 17-Ounce Boxes (4-Pack) for $8.86 Shipped

Frosted Flakes, 17-Ounce Boxes (4-Pack) for $8.86 shipped after selecting Subscribe & Save to take an additional 15% and receive free shipping.  Here is a screenshot for reference.  The subscription can be canceled with a few quick clicks with no obligation after your order ships.  Getting the same 4 packs of the Frosted Flakes would normally add up to about $19.