Home Depot offers the Forest City Yimby Compost Tumbler, model no. IM 4000, for $79.20 with free shipping. (This price may vary by location. Change your ZIP code to "83705" to see this price, and check out as a guest.) That's the lowest total price we could find by $20. It features two chambers, built-in hand holds, adjustable air vents, and five cubic feet of space.