Often it involves bathrooms and kitchens that are old and gross, but technically functional, complete, and just this side of being a health hazard. 

If you are truly running a business then....If you purchase a new computer, with the latest window operating system, you will not be able to install QuickBooks software prior to 2016 (I think).Last food for thought, as new software are added, the use of new functionality reduces manpower, time and money.

Also, the bank doesn't get to make a new loan to the new buyer, a different bank or organization will probably make the loan.

A great place to start when looking for management companies, as previously suggested, is www.narpm.org   Being a member doesn't guarantee that they won't be bad, but Companies who invest the time in being involved in the organization and becoming educated seems operate at a higher level (my opinion of course).  

I think this is a viable and functional solution if a complete remodel isn't feasible right away. 

This would give you the ability to double-check the platform's calculations plus, you'd have the QB sales tax functionality to help manage and reconcile the remittance payments. 

Using Social Media platforms with algorithms conducive to organic reach (i.e. tik tok and IG reels) is a great way to leverage these building tours for potential buyer leads.Best of luck to you during your transition from rentals to sales!

Make sure it is fully functional; VERY clean, including windows and screens; and a fresh coat of interior paint if it is at all tired or multi-colored or just "lumpy".

Ozone will oxidize any organic compounds, but it get's consumed in the process.

Yield in any investment vehicle is a function of risk.