I would not be so hasty to denigrate, demean, and discredit your tenant, and call her a "troublemaker" when she is just a concerned tenant, and rightfully so as health is of utmost importance over desire to make money w/o telling the full truth. 

., call on alarm system companies and people who sell life insurance to small businesses; call when you see a sign tacked up on a telephone pole offering health insurance to individuals or small business owners…all of these people traffic with our customer types).Check public records to find balloon notes filed at your local courthouse.Check public records to find private mortgages (person to person) filed at your local courthouse.UCC filings on equipment (Dunn and Bradstreet may be able to supply lists).Research classified ads for commercial properties and contact the seller or realtor.Network with CPAs, attorneys, and financial planners.Join your local Chamber of Commerce for lists of businesses in the community.Listen for radio ads directed at self-employed business owners and network with those companies who place the ads.Research tax sales on commercial properties.Contact leasing agents specializing in commercial properties.Being an IAP comes with commercial leads but always look for other sources as well.Realtors are always looking for lenders who handle commercial mortgages.Social media, Facebook, Linkedin, Twitter, Craigslist, etc.Tips for calling on realtors: Call a local realtor and ask if they represent or list commercial properties for sale.

And I would for SURE not close on this until I personally met with the health department or who ever controls the water and sewer.. and get a really good feel of what I have.

Here's an inflation adjusted chart of Orlando that illustrates my point.  

I can think of several cities that are more cash flow oriented, where there are diverse, stable industries (leading employers in Health care, financial services, food industry, colleges) providing a stronger economic underpinning that may hold up better in a down turn and do not have a history of getting frothy.  

I would not be surprised to hear of the tenant filing a lawsuit due to health issues stemming from this.In the future, you will have to complete the lead disclosure differently, since you now have test results showing lead paint is present; that must be disclosed and test results provided to prospective tenants.

First of all, we are mental health therapists.

This is starting to have a very negative affect on my mental health.

-------------------------------Dilapidated and worn is not a health issue.

If health insurance goes up, that rule will not stand up.