Run to Whole Foods and use only your smartphone to grab a great deal on Justin’s Peanut Butter! (Check out more smartphone-only deals here.) Pick up one jar on sale for $4.99, and scan your receipt after purchasing to get a $2.00 credit from Checkout 51. Get a jar for only $2.99.

Submit one $2.00/1 Justin’s Nut Butter Jars, 10-16 oz, via rebate app (checkout51.com)

Pay $4.99, Submit for $2.00 Checkout 51 Credit

Final Price: $2.99