Couple of things...
COD is useless most times because they don't allow you to open the package before signing you received it. And they only give it to you after you paid...
To the original poster: Like someone else said you can try to get his address from the bank account nr. The procedure might depend from country to country or bank but it is possible..
I've had good and bad experiences buying outside eBay. The worst one was an A4000T from Palma de Mayorca in Spain around 1998. It was shipped and we agreed to send it back due to a problem on the parallel port. Then they kept it and the money. Eventhough it was a bit risky I never thought they'd do that, because it was a retail comptuer store with physical presence and the serial nr. was on the invoice. But they went bankrupt and the store was too far away. I must've spent around 150€ just in calls...
The best one was also from Spain, a guy in the Galiza area, HiFi sound gear not Amiga related. I risked and item was almost like new, very very well packed and he even offered a few goodies, super honest...
It's best not to risk though, the scamers are counting on our temptations
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