This is one of the things I dislike about eBay. People are able to ask astronomical prices and have no motivation to sell for less, due to the almost-zero overhead. A real business with expenses wouldn't be able to do that; eventually, the lost revenue from storing Gullwing wheels would force them to lower the price (or, I guess, keep losing money).
One of the many reasons I don't think businesses should be allowed to sell through eBay.

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RIP:
2011 E350 BlueTEC, Schwartz 81k (totaled by uninsured drunk driver)
1964 Unimog 404.1 (wrongfully towed by the city)
1994 E320, Brilliantsilber 208k (transmission shuffled off after sudden catastrophic fluid loss)
1982 300D, Silberblau under a blue repaint 256k (sold for parts)
1995 E320 Polarweiss, 131k (sold for parts)
1995 E300D Polarweiss, 287k (totaled by drunk driver)