Dane Beck is a sure bet for proponents of mobile and online sports betting, which became legal Monday in North Carolina. The 38-year-old wine merchant and dad already knows the thrill of well-researched gambles and has invested 10 years and plenty of wagers in sports betting. “With the NFL games, I’m engaged in it every day,” Beck said of fantasy sports bets he’s placed over the years through FanDuel Sportsbook.