I would give out my secret to getting Bunnies Ogling Carrots#39;s, but I think it's like a trade secret. you have to be on the "in-woot" crowd to receive such information. I was lucky enough to have a woot employee give me the tip while on a tour at woot. It's not an auto-buy, I have to manually buy it, but it does get me a Bunnies Ogling Carrots pretty much every time I've tried.
52 total woots including (Not all listed)
12/1/2010, 4/1/2011, 7/12/2011, 9/14/2011, 12/6/2011, 12/25/2011, 3/22/2012, 4/24/2012, 5/22/2012, 6/26/2012, 7/12/2012(5x), 8/21/2013, 12/3/2013 Big ol' Cornucopia
7/12/09 Woot-Off Lights
5/11/11 Razer Carcharias Gaming Headset