What makes it even more luxurious is that the new boat comes with a compost toilet. While it's not quite a "posh poo" it's a long way from using a bucket. She said: "I empty mine every three weeks.

In fact, in my small community of 800 people, about half live without flush toilets and instead use an outhouse. This means my wife and I venture outside whenever nature calls — even in the winter ...

If your composting toilet is used occasionally—such as on RV road trips—then the compost can be emptied once a season.