The PM should provide itemized items of what was done.

Also, how old are your capex items? 

Line Item Fee Collected Rents 10% of All Collected Rents New Tenant Search & Onboarding $500 Business Hour Service Calls $80/hour + Materials Cost + Tax After Hour Service Calls $110/hour + Materials Cost + Tax HVAC Cleaning & InspectionGutter CleaningSpring/Fall Exterior CleanupSeasonal Mowing & Weed TrimmingSeasonal Snow PlowingGeneral Contractor Vendor Cost + 10% Oversight Fee

This is true for bonus depreciation items as well.  

Here's a https://www.irs.gov/businesses/cost-segregation-audit-technique-guide-chapter-4-principal-elements-of-a-quality-cost-segregation-study-and-report to the IRS website noting specific items that are included in the cost segregation study report. hmm, that website is a 404 error.  

I’ll also amortize large items like roof over 20 yrs, and then add $100/mo/unit for general repairs.

After adding those four items back in, it brings the complex to making around $6,500.

One your loans will be a higher interest rate, next you will have annual filings, the cost of a registered agent every year, and items like that. 

It is not your responsibility to house this person's items indefinitely in your rental. 

This will give you one critical piece of information, that it may take X days to get an offer and sell, and the second item will give you what your competition is right now.