Considering there aren’t any great deals on the MLS and we need a place to live I have a couple options 1.Rent a place in Eugene and look for a great deal via yellow letters, networking, “drive for dollars”, etc.

Those aren't enough numbers to even guess 

The neighborhoods aren't the best and that's why I think this would be the most profitable long term option.  

Saying that, most lenders aren't in the rehab business and don't want the house/project (although some do, especially in commercial).  

Hello Miles,We aren't local to you but we work on short sales in California and they are a great investment out here!

(Nearby condos are in the $400-800k range, but condos aren't really "comps" so I'm not counting those.) - There's an unfinished second floor that is currently considered "attic" space.

Just on the cost side, for printing a very rough rule of thumb is that each doubling of the quantity results in only about 50% additional printing cost. 

While there aren't a ton of income properties in Orlando, there are some.Don't assume financing is out of the question, especially with an FHA loan.  

Familiarize yourself with what you are and aren't allowed to ask in terms of verification etc.Yes, service dogs are HIGHLY trained for 2 years.

It's probably going to be a large amount but if those two things aren't paid he's going to lose the park and you won't have an option anymore, right?