If there is an expense payment required - you would typically submit appropriate form to the custodian, wait for them to approve it and then they will generate the check from your IRA account and send it to the payee according to your instructions.If you don't want to deal with the "middleman" (the custodian) for each transaction you can bypass the custodian by using Checkbook IRA (aka IRA owned LLC).

Is it appropriate to ask if the tenant has had any prior evictions before the viewing?

If they are asking about an emotional support animal, then they have been diagnosed with a mental condition by a licensed psychologist or psychiatrist...from your state, and can supply the appropriate letter of diagnosis. 

If she would have given us 90 days or a reasonable amount of time to find appropriate housing right after the fire we would have already left.

With the appropriate systems and processes in place, REI can be close to passive with your management oversight!

Under what circumstances would a taxpayer's rehabilitation tax credit not be limited?

Once you have everything labeled appropriately it should be easy to bill back depending on how well the units are wired.

Often, you end up selling below the price you could have sold it for on day one if you had just priced it appropriately.

To help best monitor an appropriate temperature for the apartments I think it would be helpful to have temperature sensors in each unit.

I will do some checking around and update my analysis appropriately.