One thing you should definitely do is put a test ad out on Facebook marketplace and Craigslist to see what the demand would be for what you are offering. 

Unfortunately, the available options in this city that meet this criteria are slim pickings.

Tests had to be done on the studs in different areas of the house. 

When you meet with the contractors, make sure to have them help you understand what you have, what will be required to repair and maintain what you have, and what you should be budgeting for future capital improvements, if needed.Alongside our inspections, we are putting together the strategy for the park, performing our rent survey, running our test marketing to understand the demand in the market, and creating the budget for the project.All the best, Jack

Does this pass the smell test with those who have more experience or am I being to wary?

At that time you could go straight for a broker's license if you passed the test. 

Each space is approximately 300 sq ft and are single rooms with a 3/4 bath.We tested the response and it would be no problem getting tenants/room mates in the spaces at about $1,500 each. 

If AirBNB realizes you have a bogus unit up for testing the market there may be consequences as well.

I agree with @J Scott that your margins are already sounding pretty slim even without a complete picture.

Take home message is that this is highly contagious, is contagious for several days before the patient is showing symptoms, that patients can be ill and NOT have fever for at least the first six days of illness, and that the blood test for coronavirus may very well not detect it, although apparently nasal and oral swabs do detect it.