I see some red flags, and I'm wondering what other investors' experiences have been in this kind of situation.The potential tenants seem reluctant to apply.

I'm looking at this as a red flag and of things to come down the road. 

* Red flag when I see no access to the furnace...how the heck did they change filters or do yearly maintenance on it ? 

From what I've seen the smaller the bank, the more creativity you have.Bank of American ForkLewiston State BankCache Valley BankBank of UtahZions BankI don't know much about what the credit unions are doing in the commercial space, but Mountain America is one to look at.  

Wouldn't this get flagged?

I'm compiling a list of key words and listed information for a VA that will be scanning MLS and other property listings that are an immediate red flag about that property.  

Americans newest way of losing their homes.

http://www.businessinsider.com/phases-of-the-housing-cycle-in-american-cities-2016-9

Are there any red flags that I should be aware of?

Mileage & Home office deductions are frequently seen as red flags which induce the audit in the first place.