Expect to allocate less time  towards management functions if self-performed or more favorable management fee structures if 3rd party management companies are utilized (which ties back to #1, as well).

I'm also in the same boat in Jersey City, NJ.

To answer your question, i am not wholesaling yet but i am in the same boat as you and i've been looking into wholesaling for a few years now and since i moved to LA i've been trying to connect with like minded individuals.

But unrelated parties who may move out w/o the others it does get to be a bit more tricky. 

By negotiating effectively, we reached a deal that suited both parties, allowing us to focus on planned renovations that would significantly increase the property’s resale value.

They let my on-site manager know they were going to "take a trip for a birthday party" and have not returned. 

A good vendor will often provide insights and a documented professional opinion, which can serve as third-party confirmation.

Second position lienholder have done some shady stuff in order to delay a loss, including filing suit against all parties or trying to obtain a temporary restraining order.

We use a 3rd party company that specializes in only property management trust accounting (nothing else), and they reconcile the bank account every single day.

However, you would have to rework your current contract to be subject to SS approval  (which the buyer may or may not be into),or sell to another party, and if you are getting financing for the new house, that will likely fall apart as well.