Walmart+ subscribers only. Ends 9/12. Walmart has the 5.3oz Oikos Triple Zero Peach Greek Yogurt on sale for $1.06. Add two to cart for $2.12 and click the "Add $2.00 Reward" box underneath the Add to Cart button. Shipping is free for W+ members.

 Here's a detailed FAQ on Walmart+ rewards. Walmart rewards don't expire and can be redeemed on future purchases.