Looking at the pictures it could be fixed up with quite a bit of patience and elbow grease. Replace the carpeting, fix the deck and remove the freezer full of rotting meat and you might have a real house again. Oh, and maybe about $40K in cash for repairs.
Now that is the positive way to look at it. This is nothing here, for awhile I worked for a contractor who cleaned up rentals after suicides and murders. Big bucks in that... Few will do it.