via Amazon when you checkout with Subscribe & Save
4-Pack of 24oz Great River Milling Corn Grits / Polenta $4.04
These are usually about $2.30 for one 24oz bag at Walmart so 4 bags for $4 is a bit under half what they usually go for.
Some more:
- 4-Pack of 25oz Garbanzo Beans for $4.90