Look past the needs to be cleaned. Most any item for sale will need specked out. The admission that the owner said he did nothing in the way of maintenance I think is a good sign that he was honest. You don't get a shined up, cover it up version.... Good luck...
Support the Country you live in or live in the Country you support
2003 Sierra SP 26'Toy Hauler
1997 F-350, PSD, 4X4, red Crew Cab, long bed.
2007 Arctic Cat Prowler, Arctic Cat 500