These often also have some quantity limitations, but it's usually much higher (Propstream allows unlimited searches, and allows you to save 10k properties/month), and these systems also usually allow you to export the data (so you can do things like import it into a spreadsheet and run calculations on it). 

If you're defining the objective as "live rent free!"

All free.Yet here you are, asking me to teach you how to find your local real estate associations, then complaining about your hurt feelings when I object to your reticence to explore the wide-ranging intellectual possibilities of searching the World Wide Web by yourself to do so.Go get some big-boy pants out of your closet and put them on, Marduk.

Whereas I see coaching as much more structured with clear objectives and and expectations on both sides.Mentoring is usually done without paying the mentor whereas with coaching there is usually a fee and it can get pretty expensive.

Willing to grind and take on the load of non-sexy work when I've gone ignored my rules by taking on too many deals at onceThey also need to be the type of person who is willing to "figure it out" and only comes back to me when they've been stumped after trying out 3+ different strategies to achieve the objective. 

What your investment goals and objectives? 

So you might want to think through what their objections would be to you doing this with their blessing, how to overcome their objections, and what's in it for them if they agree to help you gain control of the unit.

Hey Seung, sent you a PM, would love to connect as we have quite common challenges and objectives, see my post here: https://www.biggerpockets.com/forums/55/topics/775752-new-moving-to-san-francisco-ca

The definition of a dwelling unit under 280A(f)(1): The term “dwelling unit” includes a house, apartment, condominium, mobile home, boat, or similar property, and all structures or other property appurtenant to such dwelling unit.Merriam-Webster: Definition of appurtenant 2: Auxiliary, AccessoryDefinition of accessory 1a: an object or device that is not essential in itself but adds to the beauty, convenience, or effectiveness of something elseDeeds don't matter. 

You say cash flow isn't your first objective so really you need to look at what you really wat.