Yeah, some eBay sellers are utter morons. I once won a magazine on eBay, which I needed to complete a collection of something I wanted to sell (something like Toxic). The mag cost a quid, and shipping was about the same. I told the person to clearly mark it as a gift, otherwise I'd get stung for import taxes (I was living in Iceland at the time, and didn't feel very guilty about depriving its postal service of a quid or so to import a 15-year-old magazine that had never been sold in that country).
Sure enough, idiot-face marks it up as 'merchandise' with a value of ?10. This, he explained when I sent him a furious email, was because it would have meant the package would have been worth more had it been lost. The fact that he'd not insured the sodding thing didn't dawn on him, apparently. The only thing his actions did was ensure that it cost me a whopping eight quid or so to import a magazine that was worth a fraction of that. Gnh!