Prices are a rather big issue overhere, too, sometimes.
Last week I went into a small bargain and sale shop in my nearby city. It was packed with hardware from all classes (from lower budget stuff like manuals up to some Leica SLR cameras), all used.
I asked the two salesmen about a Jupiter 8 lens to get and use with my Fed-2 camera.
At first that guy thought he does not have any. Then after five minutes of searching he simply took that lens from a camera, showed it to me and wanted me to instantly buy it.
After asking for the price I was a bit confused. He wanted nearly twice of the "regular" price of a J8 lens in good condition (I read they cost about 25 to 30 € overhere). So I stood there with the "50" told in my direction and had to refuse.
Okay, maybe I could have put the price down. But the other guy then said "yeah, you know, that lens is veeery rare" and stuff like that.
I immediatly went out of that shop then and went my way to the tram. Lunatics! [they sell on ebay, too😀]