Having a property manager is the solution for dealing with matters that occur with problematic elements of our population, and in alleviating yourself from these kind of stressful encounters.  

Virtual Assistants: VPM Solutions is a company that specifically trains and sources VAs for property management.

Just watching YouTube videos gives you only part of the solution. 

I'm the Operations Director with MINO Lending Solutions.

Since you're a U.S. citizen living abroad, non-QM (non-qualified mortgage) programs designed for foreign nationals might be an ideal solution for your situation.

If they do a sub-standard job then hire a professional to do it right and dock their security deposit.

Listing the property on Zillow, Airbnb, and insurance relocation sites like ALE Solutions should help you get it rented @Vincenzo Peter Manzella

The email is very well thought out and a lot of solutions placed on the table prior to approaching us.

There's a website called Furnished Finder that traveling nurses use a lot, it is also for anyone looking to relocate or who needs an interim solution.

I'd be happy to connect with you on this.Best of luck with the refi—hope you find the right solution!