For nearly 30 years, Punch has built an organic following without much investment in promotion and advertising. Experimentation with Facebook advertising and other forms of paid advertising yielded subpar results, co-owner John Puckett said. Word of mouth and repeat business has been invaluable to sales, which have increased incrementally since opening in 1996. The Neapolitan pizza chain is opening a new location in St. Louis Park later this year, its thirteenth overall. "If you grow your business 5% a year on the same store level, and our average unit volumes are now approaching $3 million per store, you end up with a really good business" said Puckett, also the co-founder of Caribou Coffee, who joined Punch in 2001. "But it's kind of the old fashioned, hard way." Tap the link in our bio to read the full story by Nick Williams. Photo by Anthony Soufflé / Star Tribune. @punchpizza