It is not the current MSRP that matters to me, it is my sense of what was paid for the used item being sold and whether someone is trying to get a windfall profit by suggesting what seller paid for it is somehow connected to the MSRP being listed in the Audiogon ad when it is no such thing (which I think is, many times, being done purposefully and knowingly deceptive). That is what seems dishonest to me. But, I'll buy from people who I deem to be honest and avoid those that do not seem to be. There is "business" and there is fairness, they don't have to be at odds. I've bored myself. Nevermind.
P.S. No question that real estate, as a rule, appreciates over time, the current crisis nothwithstanding - an anomoly does not disprove the rule. Buy that land in AZ and FLA today, and wait (smart money is already doing it).