His belongings are in the property.

If ANY personal items of the resident are left behind,  either a signed declaration from former resident that they have moved out and release any claim all remaining items - enumerate any large or potentially valuable items - (get it notarized or ensure signed with witnesses present)  or preferably,  ensure property is completely empty, interior and exterior,  of resident belongings.    

Then let’s define “turnkey.”Having been marketed similar “turnkeys” in the past (even by licensed agents,) I do not understand how the word “turnkey” can belong to the current conditions of the property.

If the IRA owns it and you live there, you may need to insured your belongings and Liabiity sepparately under a renters policy.  

I live in Missouri so I would be long distance and need a property manager either way.

It provides up to $1,000,000 USD in property damage protection in the rare event a host's place or belongings are damaged by a guest or their invitee during an Airbnb stay."

That makes a huge difference in what will be long term debt after construction loan converts upon completion.If I would do the deal there is just not enough information.   

Or force the tenant to remove their belongings from the common areas?

If you pay me $ by Friday, you can stayI'll give you $ if you leave the house by next week (cash for keys, I'd rather give a cooperating tenant $200-300 than a lawyer)Do nothing and sheriff puts belonging on the curb.The tenant is the one who picks the option. 

It won't be long before you are earning $1m / yr in appreciation!!!