Smart of him not to put in any plumbing. When they make that mistake, a couch and a fridge soon appear . . . and some night down the road it will become his doghouse.
Oh, I have a hammock ready and waiting to be put up for him, and the midi-fridge that's in the current 'fish shack' will be moved into the 'cave' as soon as I get the electric hooked up. He can pee on his fig trees.