That building will have all cloth wire, case-iron pipes, and other fun things like the condition of the roof you will discover plus if you were trying to get a forced air solution. 3) You wouldn't get any more units on net with your idea and would than starting with a huge cost to reconfigure.

Offer cloths washing service. 

Dealing with constant emergencies like the AC went out, the internets not working, the dryer shrank my clothes, etc.

I run multiple businesses in the clothing industry and I am involved in the music industry, my endeavors and business only continue to elevate.  

I also loan the tenant the following for move-in day: drop cloth floor runners (to protect our floors), moving blankets, furniture carry straps, furniture floor sliders.

And the same holds for my grass length (cut it same day so I don't even change clothes but once)...

The type of tenant also makes a difference, my property may be better suited for a clothing store rather than a hardware store.

Inspect your clothing, luggage, shoes and personal belongings for signs of bed bugs before re-entering your apartment. 2.

Old car, homeless construction painter plumber clothes.  

When I bought it it had 1 cloth wire that ran from the stove to breaker.