For in-store pickup only and with stock varying by ZIP code, Kmart offers the Craftsman SawGuide, model no. 1400, for $3.82. That's the lowest total price we could find by $4. It includes four metal bars and special clips to accommodate nearly any circular or jig saw.
Of note, Shop Your Way Rewards members will earn a Sears credit with this purchase and may be eligible for additional credits and discounts.