Thumb Score: +15 Amazon [amazon.com] has 40-Count 1oz Lay’s Potato Chips (Salt & Vinegar) 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. * Previous Frontpage Deal at…