the owner keeps the maintenance records. most of the servicing were done before 2010 (by the previous owner): battery charger, bilge pump, genetator overhall, pre heat system for engine and genset, fuel line & pump and hour meter. and a list of hull and deck upgrades. one fuel tank had a new steel bottom welded to fix a leak 7 years ago.
the current owner added some batteries after he owned the boat.
if i start a survey, will definitely have the fuel tank etc checked. but could you expand on the more costly hidden issues?