Read the FAQs - all will be clear!
Lead time (delay) is in seconds from auction end - I use 8 by default.
Qty - no of items to buy.
Snipe - AS bids once at your max and eBay's ProxyBidding takes over after that. Top Tip - add in a few cents/pence so 350.01 will beat 350.00 in a tie.
R2