Amazon has a shipping program which you can order items to be shipped like a subscription and you save 15% plus get free shipping.
Here's one they have on Cocoa Puffs, 11.8-Ounce Boxes (Pack of 6)
Order with "Subscribe and Save" to take off 15%- price should be $12.04
Go through the check out process for shipping and billing
Apply code: JUNEBIGG on the page where you confirm
Then finish your subscription.
Final price: $9.91 for 6 boxes or $1.65 each!
When it arrives, cancel your subscription- the prices may change before the next order will be sent out.
Check on other Amazon deals to see if they are still going.
Thanks The Frugal Find!