There's commercially available composting toilets which automate much of the required work. My parents use a compact Sun Mar toilet which is compact and very lo

There's commercially available composting toilets which automate much of the required work. My parents use a compact Sun Mar toilet which is compact and very low maintenance. It looks like a really oversized toilet. The same company build larger units which do most of the composting in the basement - these look very similar to normal toilets. http://www.sun-mar.com/prod.html http://www.sun-mar.com/prod.html