Amazon.com has 40-Count Frito-Lay Baked & Popped Mix Variety Pack on sale for $8.74 when you 'clip' the $4 off coupon found on the product page and checkout via Subscribe & Save (select the later date from the "First Delivery On" menu). Shipping is free. Thanks qwikwit
Note, coupons are typically one use per account. You may cancel your Subscribe & Save subscription any time after your order ships.