As a 100+ item buyer, I have had very good experience with eBay, and I have left and received positive feedback. The one glaring exception was an automotive repair CD advertised as model-and-year specific but actually basically generic "car repair 101." In an emotional outburst, I left negative feedback before contacting the seller, but after he and she (husband-wife team) had left me positive feedback. We ended up working through Square Trade to get all feedback nullified, the CD returned, and my purchase price refunded, at a cost of $20 to them on a $17 sale. I should have contacted the seller before leaving negative feedback, and I'll bet that seller has learned never to give positive feedback to a buyer without first receiving a positive arse-kiss as a seller.
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"Far and away the best prize that life offers is the chance to work hard at work worth doing." --Theodore Roosevelt
Capo: 1959 Modell Campagnolo, S/N 40324; 1960 Sieger (2), S/N 42624, 42597
Carlton: 1962 Franco Suisse, S/N K7911
Peugeot: 1970 UO-8, S/N 0010468
Bianchi: 1982 Campione d'Italia, S/N 1.M9914
Schwinn: 1988 Project KOM-10, S/N F804069