I always use 5 seconds for a lead time and have never had a problem. However, I do change to 8-10 seconds on Sunday evenings as the server is quite busy then.
Good luck on your snipes and I hope to see you posting again!
5 in normally enough. Except if the auction ends on sunday then I might use 8. If the auction ends on an exact hour,half hour, or quarter hour, then use 15-30 seconds.
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