In theory its a great concept and you definitely want to do it if you can. Realistically, maybe hire someone of craigslist or a service called WEGOLOOK to get a rough idea of what it looks like. That way you aren't wasting your time or sellers time. Sometimes if everything looks promising, it might be worth the effort to make the trip especially if you want to get it under contract. Brokered property completely different because there should be at least a handful of pics provided.