In your situation, depending on what you want to do next, a 1031 Exchange could make a huge impact.

As an airport professional, I'm curious about how you intend to provide storage for aircraft. 

I am co-owner of a company that provides EMD Lending services to wholesalers. 

A few questions:Did Zillow provide any reasoning for blocking?

There is a university nearby (within 0.4 mi)Any guidance you can provide?

We review a multitude of data sources to provide a real-time view into a real estate marketWhile a data-driven approach is useful to narrow down all the options, having boots on the ground (i.e. agent or contractor) is always important for due diligence

I suggest reading about David Green's core-4. https://www.biggerpockets.com/blog/core-four-real-estate-teamYou can build a solid team if you start by finding an investment focused realtor who sources deals and has a large network to provide you with. 

Still, the bill still doesn’t allow landlords “to refuse to rent to a tenant solely because of prior evictions or alleged damages” or “solely because of prior convictions or arrests” without “reference to additional information provided.” ... 

We always provide the applicant with a list of required qualifications: income/rent %, credit score, evictions, etc. 

Renting the Baltimore property first might provide some additional cash flow to support the ADU project.