Amazon Warehouse Deals offers the used DeLonghi 15-Bar Pump Espresso Maker, model no. EC155, for $48.27 with free shipping. That's $52 under the lowest total price we could find for a new unit. This 15-bar pump-driven espresso machine features dual brewing spouts, a stainless steel boiler, two thermostats for controlling water and steam pressure, swivel jet frother, and removable 35-oz. water tank.

Update: The price has increased to $53.09. Despite the increase, it's still a price low by $47.