Amazon offers Prime members the Eastman Outdoors Food Dehydrator, model no. 38254, for $21 with free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $10.32.) That's the lowest total price we could find by $18. It features 245 watts of drying power, adjustable thermostat up to 160°F, and four dishwasher-safe trays. Note: Expect this item to ship in two to four weeks.