These extra payments will only impact the finances for the duration of the mortgage, which is five years.Any assistance in analyzing and understanding this would be greatly appreciated.

In the body of the ad I give the link to my property management software where they can apply.  

Look up medical for Shock Wave therapy and/or Pre Nuvo body scan.I just don't like Enabler or Victim approaches. 

LTV will also have a heavy impact on your rate.

How many of these units would be required to be life impacting in a positive way?

Curious how you all would think a resort + casino going into a STR market will go and the impact?

However, the time it was rented (known as "non-qualified use") can impact the amount of gain you can exclude.

Here's an article with some examples: https://finance.yahoo.com/personal-finance/one-extra-mortgag...You can also search for "early mortgage payoff calculator" and enter your own numbers to see how extra payments impact your mortgage.

When the unit is vacant is an ideal time to address issues because its easy to work on and isn't impacting a tenant.

What's being ignored is that when a sponsor has a property or properties that are foreclosed on, it can have an impact on their remaining portfolio even if those properties remain solvent.