Toilets
From Skoolie.net Wiki
You have a choice here between RV toilets and 'conventional' household ones.
While house toilets are readily available, and plumbing parts are cheap for them, they DO use a LOT of water, even the 1.6-gallon jobs.
You would need enormous holding tanks, very few users, and/or a hookup to a sewer to make them usable/practical.
RV toilets start NEW at around $90 and the sky is the limit, depending on bells and whistles. They are RELATIVELY easy to plumb, but if they break down you will probably need parts SPECIFIC to that make and model, which can be VERY hard to find in the boonies on a holiday weekend.
Sawdust and compostiong toilets are available, some of them being home-made. I recommend Googling them and searching the Archives here to find more info on the subject. There are also RV toilets that use a detachable bottom tank, so you can empty it into a regular toilet or sewer drain.
