Jet.com offers the Forest City Yimby Dual-Chamber Compost Tumblre, model no. IM4000, for $65.96 with free shipping. (Hayneedle charges the same.) That's the lowest total price we could find by $2. This 37-gallon tumbler features recycled plastic construction, a steel frame, and adjustable air vents.

Update: The price has dropped slightly to $65.34.