They obviously are not in a medical emergency or a family crisis - because "I'll let you know" pretty much kicks those emergencies to the curb.Let AirBnb know that you will not be authorizing a refund and that the guests are still occupying the property. 

I had a previous home that I sold suppose to close on Monday but the buyer has covid so we had to push the closing till he is medically cleared (his words).

I have no affiliation with them, I just think they make a great product for short-term rental investors.Alternately, I see this property is 1 mile from Wesley Medical Center and 2 miles from the Bob Dole VA Medical Center. 

There are a ton of sales jobs here in several different sectors (aerospace, bioscience, financial services, software, data storage, energy, medical, tech, outdoor recreation/tourism, agriculture, etc. and there is a ton of VC money here for startups). 

My wife and I got on this loan, and I liked it so much that I left my job in Medical Sales to join a company that specializes in them!

Or slightly better houses walking distance to hospitals (any city) and market to traveling medical staff.  

Saint Louis is actually seeing tons of incoming tech, medical, and investments.   

My tenants are an international doctoral candidate and her spouse so they plan stay in the house for awhile.

Right now, my wife and I are debt free except a small medical debt that we are working on paying off. 

They own a home outright worth approximately 400kThey want cash to pursue some alternative medical treatments.