Football fans are likely lining up outside a Finish Line store in Gainesville, Fla. Baltimore Ravens safety Matt Elam, who signed a million-dollar contract last year as a first-round pick, has decided to work in the mall during the off-season to get experience for the day when he hopes to become a retail entrepreneur. Industry insiders agree that solid store experience is a great first step toward a career in retail, whether you plan to work as a buyer, merchandiser or even social media maven. KWHS explores various retail careers.…