Also, you stand a better chance of learning the "correct" (legal, ethical, respected) way to conduct your transactions as opposed to questionable guru tactics many (but not all) wholesalers seem to employ.

If you plan 3-4 years ahead of graduation you can achieve that goal.Work on your values and ethics.

Any ideas on how to most ethically invest in under served communities, beyond being a great landlord?

You do have to adhere to a code of ethics especially if you have to represent yourself.

.- (In my head) "okidoki, I'm just going to put this on the bottom of the pile and ping them again for paystubs after giving them a week of the silent treatment."

Hucksters operate in any and every industry; however, analysis will prove that in most instances a breach of ethical behavior would have been less tempting with a lower purchase price.

They don't manage properties for me, (I live in CA), but I can offer my strongest possible endorsement in terms of character and ethics:  http://www.expressrpm.com/.You should interview them.

A multi-member LLC will be taxed as a partnership by default, but you can elect corporate tax treatment if that better fits your situation.  

Remember not every property manager is ethical and fair, but being a NARPM member we are held to a different standard.  

As for pushing the car into the streets, I advise you to be ethical and considerate of your actions.