OWD wrote:
"In my experience, people are way too savvy for this stuff today -- especially people with nice stuff."

Very true but sooner or later age takes its toll. My late mother-in-law, a woman of real means, had no idea what anything was worth, or even if she had it, when she was in the late 80s. Tradespeople were double and triple-billing her.

I know it happens and I still find it curious.