I e-mailed you a copy of the Zillow link with my rental listing.  

Many of us work with real estate investors across multiple states and can help guide you in the right direction.

After you get that first one, I would start looking for BRRRR strategy, and if you have time to market direct to seller you can try to negociate seller financing and sub to deals. 

As a PMC, we allow tenants to:1) Mail in rent (we charge a Processing Fee)2) Deposit at our bank (we charge a Processing Fee, but less than the mailing one)3) Use Zelle, Venmo, etc. 

For a variety of reasons, including keeping this potential project "need-to-know" only right now, I want to get a ballpark estimate with full understanding that the goal posts could move in either direction as the project gets more discrete. 

You'll either need to write and mail a check or call and pay with a card if they are set up for that.Is it for a contractor who is doing a renovation that will be 30k?

Then I would either go to your GC with the info, or go directly to your subs (licensed electrician etc.) with the info.

Yoru bank probably wants yoru mailing address to match your ID. 

At one point, the borrower reached out directly and from then on I saw no reason to keep dealing with Safeguard.

If it is a lease covenant, send them a violation letter by US Mail with proof of delivery required and/or post the notice on the door in a sealed envelope with their name on it, taking a photo to prove delivery.