We used to motorhome tour and camp a lot in our younger days. We bought a new rig in 2003, took one local shakedown camping trip, then went from CA to WI and back. Started home remodel and wife was diagnosed with cancer. Lived in motorhome during much of remodel period and cancer treatments. Lost interest in motorhoming for a few years, replaced fridge and roof A/C that died, had rig checked over completely and serviced, installed six new tires, made a trip up the coast to Oregon and back, haven't gone anywhere since. Had awning fabric replaced. Still under 10K miles, nothing wrong with it except faded exterior graphics. If we sell in near future, it will be a real deal for somebody. Each rig is a separate case. Mileage is not the whole story and may be irrlevant. I would worry about the remaining life in all the housebox appliances, etc., when looking at a used rig. Replace tires over five years old. Have the chassis and drive train inspected by a pro truck mechanic to know what is needed and how much it will cost before deciding to buy or not .Set money aside in a bank account for eventual repairs and replacements, fridges and AC units are expensive