The craft brewing industry saw 15% volume growth in 2012, while the big guys -- led by Anheuser-Busch InBev (BUD -0.53%), SABMiller, and Molson Coors (TAP -1.38%) -- are watching their megabrands lose market share.

This intoxicating craft growth is attracting new players in record numbers. While most don't see a beer bubble forming, brewers-to-be need to be careful. At the recent Craft Brewers Conference in Washington, D.C., Motley Fool analyst Rex Moore asked some established players what advice they have for newcomers. Today in this multipart series, we hear from Bill Butcher, founder of Port City Brewery in Alexandria, Va.