Ergo, rental property demand will increase.The longer-term reality, if it comes to fruition, is twofold: (1) FoxConn reports that its campus will host 10,000 employees, all those people and their families will need to live somewhere, and there isn't enough housing stock for them right now; (2) the demand for services will increase with the influx of people, which will increase the demand for commercial property.

I'm a fellow San Diego resident who is also interested in multi-units OOS.In response to your question, from the research I've been doing (and outside of the residential vs commercial aspect that @Sherwin Gonzales brought up), a big part will be your comfort level and financial goals. 

For instance, in NY, back then, if I buy health insurance for myself thru the business, I have to extend that to my employees as well, so I do it thru another business that I'm the sole employee.

We have dabbled with a similar all-inclusive rent-by-the-room of 4 bedroom townhomes in Colorado, and it has been very profitable.   -- Mark

What kind of questions would you ask when interviewing a Title Co.

But now I found out that the employees he has had working on my property are not getting paid. 

I thought discussions on Real Estate Commission Rebate Saving were comical, but for a Mortgage Broker to pull back the curtain and show all in regards to Lender To Borrower Credit to pay closing costs, and it even gets such pushback, truly exposes the level of education of some posting on BP!  

Even if they could, lifestyles, at least for now, do not make it a competitive option, at least at historical price levels. 

How many employees work for the company?

Has anyone here worked with a reputable carpenter who did a good job raising joists/levelling floors?