Thumb Score: +24

Amazon [amazon.com] has 40-Pack 1.75-Oz Doritos Flavored Tortilla Chips (Cool Ranch) for $15.64 – 10% at checkout – 5% when you check out via Subscribe & Save = $13.30.
Shipping is free with Prime or on $35+ orders.

Savings
10% off applied at checkout to first order.

Subscribe & Save
5%: $13.30
15%: $11.73
Add to next delivery [amazon.com] (with free shipping)