OK, this story does have a generations-and-turning connection. Haggling spread with the growth of the Third Turning (Unraveling) free-agent economy in the ‘80s and esp ‘90s (the reference to e-Bay here is appropriate). And I’ve found that, on average, Generation X (born 1961-1981) are better at it than older generations. A few hip Silent (born 1925-1942), like William Shatner, really do get it—and the guys he tutors in the tv commercials are always Xers. Just try saying “namby-pamby” to a Boomer (born 1943-1960) and see what happens.
But the main reason I’m posting this is simply that you might find it interesting and possibly useful. Note btw the digital phone app that can scan the barcode while you’re in the store and give you an instant price comp to negotiate with! That is dynamite.