Amazon offers the Rolo Chewy Caramels in Milk Chocolate 4.1-lb. Bag for $21.16. Order via Subscribe and Save to drop that to $20.10 and bag free shipping. Outside of the deal below, that's the lowest total price we could find by $5.
Be sure to cancel Subscribe & Save once your order ships to avoid being billed for subsequent shipments. A close price, Walmart offers it for $20.81 with in-store pickup.