I'll put him in the basement bachelor pad with my parents. (remonline.com)
This modern tiny house is filled with treasures obtained over a lifetime of adventure, and may just be the ultimate bachelor pad. (livingbiginatinyhouse.com)
You could find a cheap bachelor pad like house that would probably cost a little more than rent which would be a good step up in quality of life and owning a home. (money.stackexchange.com)