If you can't verify someone's identity, credit worthiness, or other risk factors, then that's a legitimate reason to deny their application.2.

Rely on the data as a tool for “no.”I am developing a data-driven analysis to weight as many factors when reviewing a deal as possible, measuring everything from demographics and area vacancy to parking and signage.

(and your question should be premised with some size factor like between 1200-1500SF). 

I would be more likely to factor the utilities right into the rent and keep their rent a flat monthly amount.

Problem is the equipment wears down over the years and starts looking old and the owners do not allocate for the cool factor reimaging and putting new equipment in to boost sales up. 

most lenders  will  utilize the  schd E rental income average  method  for  including rental  income for  qualifying ...if the  proeprty is  recenlty  purchase the  vacancy factor  approach is used 

The electrical has some exposed wiring in the attic crawl space that needs to be in a junction box and to restore power to the detached carriage house where my cousin lives.As well as a handy man to grease some reluctant windows and fix a leaking valve as well as smaller issues.Looking to get multiple quotes if possible.Can anyone recommend any good people who might be able to get to this soon?

It will be a factor if other aspects are not adhered to but if it is the only one not very likely.

Perhaps it's fair, just because the money-partner made the deal happen in the first place, or there's some other factor that I'm missing.  

Another factor is what the average sale price vs. list price is for the area.