.- I was able to get approved for access to private investigator software to find the true owners of these properties since conventional skiptracing produced poor results.

A landlord could get pulled into an investigation. 

We've investigated condos in the past, but they have multiple limitations, including an average tenant stay of about two years, financing restrictions, and the high HOA fees limit profitability.

Would you take the liability of someone else's work whose license is under investigation for less money than you would normally get for the same job?

I have done apartments and self storage, so this is a little outside my core competencies, but if the price is right, I’d like to investigate it more.Thank you in advance!

See below this is a e mail from the state of Oregon Financial Investigator regarding wholesaling I got tired of is this legal is it not.. so I sent her a copy of a e mail that I got from someone trying to market a property before they owned it and is not licensed in the state of Oregon Please read below.. 

Go to the credit bureau sites and investigate what they will consider to give you a credit score.FHA will be your go-to lender for starting out (beside Hard Money Lenders with higher interest rates). 

Some things might be mentioned by the full home inspection to investigate further and you can consider those after reviewing the report, within your due diligence window of course.

Once you've narrowed your list down to only properties that appear to meet the 1% rule, then you investigate them more deeply to see exactly what kind of return you'll get. 

I think OP needs to investigate the accelerated/bonus depreciation in MF syndication and how it results in a large passive loss.