Here is some more information:
I asked about flooring, leaks, and the engine work and everything below is what he has told me. So far this guy seems to be very honest about everything.
composite tile glued to a moisture barrier fabric. Grout is real. The floor floats so it does move very slightly underfoot. Normal. All appliances work no issues. Cruise control has intermittent relay mounted on chassis, havent replaced yet about $45. Ice maker in fridge is disabled for winter travel,
It had a previous leak at the corner of the shower skylight...fixed and no permanent damage. No soft spots floor walls or roof. No delamination. . Washer dryer we used about a dozen times works as new.
Some cummins engines had cast valve seats, some had pressed in. This one was pressed in. It dropped an exhaust valve seat in cylinder 2 and caused cylinder and piston damage. We replaced the head with the bulletproof cast valve seats and went through everything else as listed on ebay
It runs awesome, we put a slightly larger hot side housing on the turbo for wider boost band and lower egt's. Runs so well, very strong and cool even towing water temp never seen over 190 and egt's well under 1300 even on long steep grades hot weather through vegas, . No expense was spared.