I bought a hotshoe rangefinder and a Kiev 4a from the Ukraine, and both of them, shockingly, work fine. They took 5 weeks and 3 weeks to get here, respectively - so I'd definitely be mindful of that 30-day limit. Buying on eBay does protect you well enough, so I wouldn't sweat it too much. Just don't buy anything that says "as is" and makes no claim of functionality, since you might not have recourse for a return in that case (though you also might, since eBay seems to side with buyers more often than not). I think the worst thing that's likely to happen is that you wait a while to get something that doesn't work, and then have to deal with the emotional disappointment! Happened to me with a camera I bought from Japan last month. The seller took it back with no problem, though.