Horrible experience

My first hosting experience on VRBO has been a nightmare. The guest stayed 5 months and trashed the space. Needed to replace sheets, towels, plates, glasses, silverware etc. They left trash all over and rotting food. Mold was forming in multiple spots. To clean, repair, replace was conservatively $800. I charged them via the “extra charge” function and haven’t heard anything. VRBO said they would reach out to pressure them to pay. I asked if they don’t pay, what happens then. They recommended I turn on the damage protection, which I have no done. VRBO said they wouldn’t reimburse me for any additional costs, extra fees, etc if the gust didn’t pay. Have people been in this situation before? Did you have a satisfactory resolution or hard lesson learned?