I use ebay all the time. Probably the best place anywhere to buy printer ink, 123a batteries, computer batteries, etc. I also have pruchased 1000s of $ of nativities, misc. paraphenalia, etc. I just bought a nativity from a seller -- it was badly damaged during shipping -- and on that word alone, the seller sent me a better and far more expensive replacement and will arrange to have UPS pick up the broken one (in early December when the shipping person gets back). You don;t get that service out of many brick and mortar stores. What we have learned from the viba_1 experience though is that even a seller with a >1000 positive rating can be a thief. There are a lot more sellers on ebay (50,000 items with the word "knife" in the title) so there will be a lot more thieves. But we have had our share right here in the bosom of the bf lodge. ebay likely has a higher percentage of thieves of course, but when NW knives or Classic guns & knives sells n ebay I bid with a lot of confidence...
Happy Holidays to all! (and perhaps viba_1 can have a nice time in jail somewhere).