Mostly we are in $20k to $30k per unit on our rehabs (which is about 10% of value of the unit or 50% of the purchase costs), but OP indicated the cost at $15k to finish the ADU.  

The property has section 8 tenants, and I want to ask a few questions about managing the regulatory requirements, as this will be my first section 8 property.The owner indicated that there were no inspections in 2020, because of COVID, so I want to know who I should talk to to determine whether they will begin again this year. 

You have a map that indicates where the comps are, so be mindful of major highways, roadways, etc., that may serve as boundaries for the neighborhood.

I say, "help you out," because it is a non-threatening way to indicate I am on the same team as you.

I wasn't indicating $4,000 would get very far, but which way it is better utilized.

That will be more than the indicated $40 expense.  

A large amount of listing days with minimal views is an indicator the property may be priced too high.

That's an indication of a bad renter.

It's worth noting that we purchased the property less than 6 months ago and that included an inspection in which no indication of damage was found.

I have seen any clear indication either.