., which could be an indication the base will be around for a while.On-base housing is limited in many places and even then, a lot of people prefer living off base.

Make the tenant responsible for those things mentioned and use good quality material to minimize those type of problems along with an experienced labor on the installation.You could please them by limiting their maintenance cost to not exceed $500. 

As far as the TIN I would suggest you contact a real estate attorney to be sure you have a good commercial lease that covers you and minimizes your risk.

Most people will adjust their wants based on other things both tangible and intangible.That will give you the most reliable indication of possible performance.

If your role was fairly minimal, I might only be willing to part with a percentage of cash flow.

As I have this deposit, I would have worked with him if he has any challenges with January rent, but he didn't indicate any until the check returned.

Ultimately though, a CAP rate is only an indicator  of risk and the chance that the cash flow will remain and continue as scheduled.

The cash that you have from the sale doesn't indicate at all the gain or the tax liability.  

I have a 3 bedroom SFR on the east side of Plainfield that we have been marketing for 21 days with minimal interest and I'm wondering if it has more to do with the time of the year or other factors? 

Some property sellers will provide a rental history (which may or may not have any detail), some will not.Past performance is not an indication of future returns - for better or worse!