You can find online which larger institutions are buying in a specific area and try and reach out to them.

Call a different number you found online associated with the same company, etc. 

Court house steps was foreclosure purchases and sub to purchases to flip.. we hold now long term rentals..

Rehab contractor charged $10K, the online report says $16K.

The plan is to use the heloc to purchase additional properties, and basically brrrr and pay back the balance - then repeat.What I didn't realize is how difficult it is to find a business heloc.  

My first multifamily purchase was my 34th acquisition and my first multifamily syndication was my 103rd acquisition (and wasn't my second multifamily purchase, either).

I didn’t know anyone in Alabama, so I called a few agents I found online and ended up picking one from BiggerPockets.

Check out other online guides available here: https://www.biggerpockets.com/guides3.

If I am self managing my portfolio, what do I need to check/confirm, and what easily available tools are at my disposal (online, other) to help me do this? 

If you do not find success there, there are some online companies like SpaceJoy, Decorilla, Havenly etc.