@Jeremy Pastor,Survey will only be your final resolution.    

(quick resolution and 5 yrs of max deductions.

We mutually aggreged to a new lease with a higher rent, as he wants to receive the voucher so looks like we are on a good road to some resolution here.  

They got it fully leased up and everything has been running smoothly with $2k net income after expenses and mortgage per mo. on a property I put $180k into (rehab + down payment), so I'm very happy with the resolution.

Obviously you don't want to kick step-father out just because he needs to stay in a rehab facility for a month or two after a hip replacement; but at the same time, this guy was never going to be able to live on his own again (and he had let the property deteriorate to a state that made it uninhabitable) and it took a lot of unneccesary time and money to work towards resolution.

Planning for this scenario doesn't mean you're giving up on finding a resolution—it's just smart property management.You're navigating one of the trickier aspects of property investment with a lot of grace.

If I'm seller and my area has DOM < 10, I will ignore all your request perhaps even cancelling.Generally I don't see sellers completely ignore resolutions even with low days on market (unless it was already agreed to being as is).

I have found a number of other users posted this question in the forum over the years but I cannot find a resolution anywhere.The way the Rental Property Calculator derives the "Profit if sold" number seems to have an error in it if you are using the function to increase the rental rate and expenses each year.

I would find attorney if your PM did not give you any resolution. 

Any resolution to share the costs would need to acknowledge the restricted nature of the common elements involved, such as the windows."