Alternatively, are there some ballpark estimates for each expense item (e.g., 8% for vacancy, 3% for capex, etc.) that can be factored in as realistic or worst case scenarios when analyzing the deal?

This item is one of the more requested items to have in our house.

Lastly is structures, and to be honest I think we'd probably have to move the needle $100k or so on that item because I have a feeling from what I've seen thus far is these structures are not of the most durable enduring type and I will have some considerable cap-x over 10yr window on them.

I'm sure HUD put a specific line item (503) on the settlement statement to help people commit fraud... wtfhttps://www.hud.gov/sites/documents/1.PDF

They also sell items at farmers markets.

Now for the house you are leaving behind…I like to have this one freshly painted, and take action on any maintenance items.  

@Francisco PineiroYou could call a few home inspectors in the market you are investing in and see if they do draw inspections so you know the items are correctly done before sending funds

Clean it up a bit to get most bang for the buck add ons and preventative damage items like water leaks.

We removed a chimney to open up the space and updated all the major ticket items—new electrical, HVAC, and roof.

My wife and I used to do flips in this area, and I have a couple listings along with long term rentals I manage in the area..For the co-host, they typically do not handle permitting and other items like that (this can be agreed upon between you and the co-host.