"I don’t think Buffett gets enough credit for all the pitches he doesn’t swing at” says Paul Howard, an analyst at Janney Montgomery Scott. “And he gets a lot of pitches."
—Just from those listed in the article, Buffett turned down investment opportunities in Lehman Brothers, Bear Stearns, Freddie Mac, Wachovia, AIG and Morgan Stanley.
“No, thank you” should be the default answer for any new investment. Only step out of your comfort zone when the new thing is perfect.