I lived in an office for a few months once. I did not have a car, so I was actually staying inside. It was not worth the savings. Especially since the rent in that city was far lower than in the places discussed in the article. No bed. Worrying about security (even though I made friends with the main night-shift guard). Worrying about people finding out. Worrying about people finding my caches of possessions. Etcetera. Not worth the stress.