Amazon.com has 40-Count Frito-Lay Baked & Popped Mix Variety Pack on sale for $10.70 when you 'clip' the 25% off coupon found on the product page and checking out via Subscribe & Save (select the later date from the "First Delivery On" menu). Shipping is free. Thanks TattyBear
Note, coupons are typically one use per account. You may cancel your Subscribe & Save subscription any time after your order ships.