The lease from my management company doesn't have anything in it currently in case the landlord (me) needs to break the lease early. 

This could be a reasonable price but this was only from 2 companies, but would anyone else who is a GC or home builder please let me know about building price per square foot in their area or in Kansas City area?

Big mortgage companies do it all the time.

I do realize that the mortgage company may require additional info or not allow this. 

You should be able to but if you want to make sure call a title company in your area and ask

Once you get to ten years in, your life is going to look very, very different than what it does today.

Im also the founding partner of a property management company with full service control over 50+ doors.

I'm enticed by stock market as I believe AI will likely make for greater returns in future due to companies running more  efficiently.

Even with the recent stock market chaos, there's some bright news for mortgage companies.

I'm going to guess they are also managing the place and are taking you for a ride-they either sold you something that wasn't turnkey or they are bilking you for repairs.I'd go and tour the properties yourself, hire your own inspector to go through and do an inspection and then get repairs done or sell if you don't want to deal with it and get rid of the PM (assuming they are connected with the turnkey company you bought from).