Thumb Score: +24

Amazon [amazon.com] has 40-Pack 1-Oz Frito Lay Tangy Favorites Mix Variety Pack for $18.49 – 10% at checkout – 5% when you check out via Subscribe & Save = $15.72.
Shipping is free with Prime or on $35+ orders.

Savings
10% off applied at checkout to first order.

Subscribe & Save
5%: $15.72 – 39.3￠/ea
15%: $13.87 – 34.7￠/ea