The genuine FSH is more important than the odometer reading. My current road car has near 200,000 on the clock, but has an extensive history and still feels good. I had one before that with less than 60,000 on the clock and it was a bag of ****e!
Can understand your concern about simple jobs that would be easy to fix before sellin. The other way of thinkin about it is that many people can't even be arsed to buy new wiper blades when they're worn out, so it might not be too much of a worry....might