Earlier quoted context omitted.
I agree. Doesn't matter what you sell, you will get a higher price if it is cleaned and tidy when presented to the market - because the kinds of people who pay higher prices are looking for clean and tidy things.
> because the kinds of people who pay higher prices are looking for clean and tidy things. I'd say it's also "because the kind of people who clean and tidy things also maintain them"
Obviously it's not infallible. But even if the owner only cleaned their stuff now that they are selling it that still tells you they are the type of person to take action where it's beneficial