Ebay is weird. Someone had a crappy keyboard with MX Compatible caps listed at $15 or make an offer with free shipping, so I offered $10 and they flipped on me, called me an idiot, etc. I said screw it and put in another offer for $12 shipped. They never responded to it. I looked at it the next day, and they had it listed for $11.12 with free shipping, so I bought it. Had they just accepted my second offer, they would have made a little more money.