Walmart has this Crock-Pot 20-oz. Lunch Crock Warmer in Red for $19.94 after instant savings. Shipping is $4.97 or free with orders of $50 or more. Free in-store pickup also is available. This food warmer also is available for this price on Amazon with free shipping for Prime members or with orders of $49 or more. It previously sold for $24.99.