Been busy with the Outside Bathroom and adding the finishing touches,

The plumbing was something of a headache, should I use copper or pex? Should I use gas for heating or run a line from the home hot woter tank. Where will I place the bath, what about a toilet? should it have a WC, and if I add a WC should us gravity and water to flush or should I use on of those crap crushing toilets with a built in pump. What about my wash hand basic should I use the nice one I found on the side of the road in perfect condition or should I use a smaller one?

Secret Sauce: Just make a decent start and keep going, that the best way and sure enough I’ve reached the point it’s useful.