In all of our buildings, we calculate the monthly gross costs and reconcile monthly. 

If they pay all their bills and maintain a job it's unlikely they'll turn into an unemployed bum once they move in.

One month of vacany at $1K can cover 5 months of the $200.month rent difference. 

I got burned by previous renters who did not pay rent, water bills and even established an assisted care business in my property without informing me.

A key point of the LLC offering protection is the separation - so if a name/asset is in your name but the bills/loan re paid from an LLC we don't have that separation. 

Check out some AirBnb monthly comps in your neighborhood to see if it is worth the upfront furnishing costs, monthly utilities and other expenses like professional cleaning and landscaping. 

Quote from @Bill B.: Are you sitting on AT LEAST $50-$100k in CASH?

In Texas an unpaid sub can put a lien on a property, sometimes as late as 4 months after the project finishes? 

If the owner pays for all utilities, you'll definitely want copies of BGE bills.

Last summer a contractor that was building us two pergolas and grilling stations had to take $3K off his bill because he passed the deadline he agreed was easily achievable.As for how to deal with your current situation, prodding is about all you've got.