Hi there,
With regards to using an odd number - be careful though.
I just won a snipe for £32. I bid with 7 seconds left to end of auction.
Looking back at the bid history, someone else tried a snipe (I wonder if they are reading this) with 4 seconds to end. However they bid £31.89.
So I won the auction by 11 pence. I suppose the other guy didnt realise that it was only 11 pence. But this is probably the closest auction win I have had....