Convenience stores are an essential part of busy Americans' lives and did over $700 billion in sales in 2013. Convenience stores serve as an important "fueling" stop for many people -- whether it is for a quick cup of coffee, filling up their gas tank, or picking up a six-pack before heading to a friend's house to watch the game. Explore the different convenience store concepts and businesses for sale and be a part of this in-demand industry.