it would be nice to have an option (disabled by default) to auto select the top row when a deal is found, leaving the user hitting Buyout, like in auctioneer.

apparently this feature was supposed to be already implemented, but it's not currently : http://suggestions.tradeskillmaster.com/forums/208541-general/suggestions/5335373-option-to-allow-sniper-to-auto-stop-when-a-deal-is