Tiny elevator could make this work for a senior. Finish out one garage bay for storage and insulate the door, but leave it in case a second car is purchased. Barn home for a sloped lot. (Double door garage in basement area)
A bit dramatic for a tiny house but above the bed would be awesome While it looks like a greenhouse, this coastal home in California, built by Mickey Muennig, has a removable window which helps keep the place cool.