Amazon offers Frito-Lay Chips 20-Pack in Classic Mix for $5.08 with free shipping via the directions below. That's tied with our expired mention from two days ago and about a buck under what you would expect to pay in-store locally. It includes Lays's Classic chips, Doritos Nacho Cheese chips, Doritos Cool Ranch chips, Cheetos Crunchy snacks, Sunchips Original snacks, and Fritos Original chips. To get this deal:
Step 01: View the Frito-Lay Chips 20-Pack for $5.98
Step 02: clip the 10% off coupon on the product page to cut it to $5.38
Step 03: add it to your cart with Subscribe & Save to drop it to $5.08 and bag free shipping

Be sure to cancel Subscribe & Save once your order ships to avoid being billed for subsequent shipments.