. Funny enough I've noticed a bidder with over 1200+ transactions always places a bid at the beginning and then just doesn't do anything... which seems kinda suspicious to me...
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That's completely normal. If you are reselling things it's common not to bid high in an auction, but to bid some euros in a lot of similar articles. The ones he wins (no more bids) are very cheap and he can resell them more expensive.
