The US convenience store market continues to grow but it’s highly competitive and definitely not for the faint of heart. According to market research firm IBISWorld overall US convenience store revenue is expected to rise 4.9% from 2011 to 2012 which is higher than the average annual growth rate of 2.8% in the five preceding years.   However the convenience store market remains highly competitive with the top four companies controlling just one-third of it. Most players are single-store operations that employ 10 people or less. That’s because convenience stores remain a business with low barriers to entry and ...