Had Ray Heathe frome Heathe garage in chilhowie va., work on my RV recently. He does a 6 hours scheduled labor work ( fuel pump, fuel filter, and disconnected and reconnected muffler to pipe)keeps it for 11 days,fills up my black waste tank with feces without running water. This was on a year around stored RV and an unused tank.Bill given is 1850.00, after rehanging the exhaust with aluminum tie wire. I was given no estimate,nothing until finished.