I'll regularly upload my asset manager emails into a custom audience and get somewhere between 20-35% of them with Facebook profiles that I can market to as well with customized ads, videos or other marketing.  

And the report said that the kitchen and the bedroom of the back unit were built without permits.

They showed her a permit from the city (just got at the same time with the roof replacement permit), which allowed to install a front door for the back unit.

But I think I can just as well play the role of business owner, since I think I have more value to offer there.The business would require about 2-4 acres of property to build an air-conditioned warehouse-like structure with customer parking.  

Initial thoughts are doing the opposite and live in the main house while renting the apartment either log term or VRBO/Air BnB but the apartment unit is not permitted per the listing agent.This is in Central California.

As for taxes, I carry over lodging, bed, and the soon-to-be sales tax in my town, to my customers.

FHA requires inspections, seller-paid repairs to code, everything must have been perfectly permitted).

I am an active GC and am currently performing a variety of services to a range of customers.

Professional real estate investors and property managers always conduct a custom "rent survey". 

Brian Ray PM when time permits.