Head to Whole Foods for an easy deal on Justin’s Mini Peanut Butter Cups using just your smartphone! (Check out other easy smartphone-only deals.) Purchase a 4.7-ounce bag of Justin’s Mini Peanut Butter Cups and pay $3.99 at the register. Then scan your receipt to Checkout 51 for a $2.00 rebate offer, making a bag only $1.99.

Submit one $2.00/1 Justin’s Organic Mini Milk or Dark Chocolate Peanut Butter Cups, 4.7 oz, via rebate app (checkout51.com)

Pay $3.99, Submit for $2.00 Checkout 51 Credit

Final Price: $1.99