Amazon.com has a deal right now where you can get 24 cans of Green Giant No Salt Added Niblets Corn  for $2.95.
Regular shipping is $7.99 (making the cans about $.45 each) which is a decent deal, but there are many options on Amazon for shipping. If you have not signed up for Amazon Prime  in the last 13 months, you can get a free trial, which should include shipping on this item. Then just cancel the trial after you receive everything!
With free shipping, it equals about $.13 a can!