There's no reason to set tenant expectations if you don't intend on following through.

What kind of expense percentage of gross would you expect on multi family.

For a 20 door apartment building I would expect slightly less cash flow per poor then say a single family rental.But for a single family vs duplex I’d expect the cash flow per door to be about the same

The key is to set expectations ahead of time and make sure they follow through with it.

I know the options are somewhat endless...but what are some numbers/stipulations you would expect to see? 

Beginning our real estate investing journey and looking at pre-foreclosed homes in our area to begin BRRRRing.Currently, searching through Zillow listings to find potential properties, and a have a few questions for anyone with experience in this market.What kind of information can I expect to receive from the Foreclosure trustee?

Beginning our real estate investing journey and looking at pre-foreclosed homes in our area to begin BRRRRing.Currently, searching through Zillow listings to find potential properties, and a have a few questions for anyone with experience in this market.What kind of information can I expect to receive from the Foreclosure trustee?

Here is a link to product life expectancies. 

I have decent credit (750ish at the moment) and I expect to have close to $20-30k cash set aside for the down payment.

Expect that anything you tell them they'll tell the owner (which could affect your negotiating position).