Choose your metric (which I'd recommend NIAT - truly accounting and planning for tax implications of decisions) and stick with it.

Before then it was game wardens, and another time it was social workers.Yesterday the police department wanted to know if I owned a house at a certain address. 

Then, find your contractor team who has experience with REI; especially if you're wanting to start with a property with light repairs/renovation - then you'll need to know what products/materials you'll need to incorporate in order to reach your projected ending ARV.Another point that may be helpful - use your social media resources, like facebook, instagram, etc. 

Your best options may be off-market properties - utilize social media (its free!).

Help me out here please, smart people!
Is there a tax savings to live in one of your own units vs renting your primary residence somewhere else and renting out all your units?
Scenario with fake round numbers: 3 Uni...

As he does not have a Social Security number they are not able to verify identity and or background.

It should never cost that much for a single family home.The other thing to think about are tax implications. 

If I do find an insurer willing to do ACV, is the move to document all systems and agree that they are within 5 years old (they are) as I understand ACV has depreciation implications when dealing with a partial loss and set the ACV to around $350,000?

I am a Norwegian citizen, but I have an American social security number.

That changes tax implications.