Amazon offers the Lay's Potato Chips 1-oz. Bag Variety 40-Pack for $11.46. Clip the on-page 20% off coupon to cut that price to $9.17. With free shipping for Prime members, that's $2 under our May mention and $3 under what you'd pay in a local store. Among the flavors are sour cream and onion, barbecue, and salt and vinegar.