Amazon has the Doggie Dooley The Original In-Ground Dog Waste Disposal System (3800X; Black with Green Lid) for $35 - 15% off coupon (check "Save an extra" box, eligible on first S&S order for this product) - 5% off with Subscribe & Save (can cancel at any time) = $30 with free shipping. Works like a miniature septic tank and is good for 2 large dogs or 4 small dogs.