Costco Sale – Hamilton Beach Keep Warm 2-Slot Toaster $14.99 by Rhonda July 21, 2020 *UPDATE* 11/9/18. Tired of cold toast? This toaster will keep your toast warm for 3 minutes. Costco has the Hamilton Beach Keep Warm 2-Slot Toaster on sale for $14.99 (after instant… 0 FacebookTwitterPinterestEmail