With most any major purchase.. Offer to hop a plane and bring money so you buy it after you see it.. I mean Even if it really is a legit sale often it's not quite "As perceived from the ad) Kind of like an ad for a house for sale (I've seen the house) "Needs a little fixing up" said the ad.. The fact: Lay plank down before walking (on the planks) across the floor or risk landing in the basement.
(Yup the new owner did just that. Landed in the basement that is.. when the floor gave way)
The home owner I was visiting Well when he bought it his house was in like condition but he layed plank, re-floored. Rewalled (The "Bones" (Frame) were still good) re-roofed. Re-sided and had a nice house.