You will also need to vet out contractors in the area to ensure you that they can stay on top of your project and will do what they say.

Wealth and security are wonderful, and that's why she's staying.

Airbnb with a minimum of 1 month stay could be a good reference too. 

Option D: you are considered a "disqualified person" to your IRA and as such are prohibited from engaging in any transaction in an IRA or receiving any benefits from the IRA (directly or indirectly), therefore I strongly suggest you avoid this option if you wish to stay out of trouble. 

@Allende Hernandez what happens if one or more occupants move out and the others stay?

Section 8 is hear to stay.

Close to a cool little town, close to an area attraction, etc....Also do a search here and see how to screen guests, in addition to what the hosting sites do.... like no last minute bookings, no short stays....

Just remember the property must be owned by the IRA, and you can’t personally manage or use it—all income/expenses need to stay within the IRA.2.First-Time Homebuyer Program:  This is what @Arthur Flores was mentioning. 

In order for you to make a good decision to stay in real estate and do a 1031 if selling that AZ property is warranted.And at the end of the day there is the crystal ball factor :)

Because that is when the impacts are most felt of everything one has to do with the now pile of ashes. 90 days to do nothing forces people to engage with staying.