Just depends on the outcome you are hoping for and how much brain damage you can handle in the process. 

Market the property for lease with a broker and include a purchase option.I didn’t want to spend money on updates (like offices) not knowing what an end user might need/want What was the outcome?

Home runs are rare and can lead to bad outcomes.  

Refinished floors, new refrigerator, deep clean.What was the outcome?

What was the outcome?

What was the outcome?

If you were to NOT sell and get the other unit rented, would that potentially be a better outcome for you both now and in years to come?

What was the outcome?

Savings What was the outcome?

What was the outcome?