Getting a good realtor who understands what you are doing, a good lender that gets you what you need when you need it, and a good rehab team (if you are doing rehab) is going to be pretty key. 

I understand that the rezoning process can be difficult, but if I (as a real estate agent) happened upon a larger plot of land with dozens of acres, how much sense would it make to find a list of residential developers here in OK as well as surrounding states to market that land to? 

Help me understand more of the situation.

They also invest these ways themselves, so they understand it.

What Chris said.What are you having a hard time understanding?

Please help a dummy like me understand why you think this would be a good time to be a minority investor in large multi family?

Out of curiosity to better understand your case as an investor, why would you want to ask these three questions?"

I understand banking I am a mortgage banker personally..

What you need to do is specialize is several specific areas, and odds are those types of areas exist where you live today.This is why, in my view, every investor should begin where they are and learn using an area you already know fairly well.

This includes assessing the cost of necessary renovations and understanding the property's market value after improvements.