-Build rapport by quickly finding relatable topics, such as family or sports, and conduct prior research on the investors, including their social media presence.

She is calling my job, bashing me all over social media, etc.

Just because someone does not have a social security number does not mean they are undocumented.

I am willing to offer my services like social media marketing, branding, presentation, organizing events, crunching numbers for free.

Send emails, call brokers, check social media and see who the bigger players are.

From your comments it seems you didn't even look at our website or social media and our contact records show we never talked to you. 

It depends on the property and your market, but I would start social media profiles for the property or your brand if you plan on expanding. 

And it will get much worse (office values have collapsed) both from pure economics and idiotic social policies.

Again, I have a bias against "gurus", and the bigger the social media following, the more skeptical I am.  

@Vy LeRecommend exploring as many sources as possible to get referrals AND cross-reference them to get as much accurate information as possible.Check out NARPM.com, BP’s Property Manager Finder (BiggerPockets: The Real Estate Investing Social Network), etc.Also, encourage you to learn from the mistakes of others - by reading posts here on BiggerPockets about owners not having their expectations met by their current Property Management Company.