Initially, our plan was to fix the drywall leaks, clean out the property, and relist it for a small profit.

Quote from @Mitchel Johnson: @Jonathan Greene I myself am a new investor and have been learning as much as I can before purchasing a property.

LTR tenants are required to have the home professionally cleaned. 

I know hosts have included additional cleaning fees for violations as a deterrent.If none of these solutions work, you could look into completely independent HVAC systems for the two units, though that would be a bigger upfront investment.

Initially, our plan was to fix the drywall leaks, clean out the property, and relist it for a small profit.

Initially, our plan was to fix the drywall leaks, clean out the property, and relist it for a small profit.

I would consider getting out of property management and getting into cleaning IF you think they are doing better than you . 

Quote from @Jonathan Greene: Why did you choose Roofstock for a one-off investment property in the first place? 

Need to clean the junk out of house .. hoarder .

deep clean, moisture barrier in crawl space, maintenance to HVAC What was the outcome?