By Jena Greene Discount chain Dollar General is charged in a complaint with overcharging customers. Discount retailer Dollar General (DG) – Get Free Report is one of the most popular destinations for low- priced consumer staples. With the economy showing signs of fraying, consumers are seeking out value items and deals at a historic level. At dollar stores like DG, customers can find everything from brand-name diapers, pharmacy items, party favors, and candy at discount. It’s no wonder that Dollar General is one of America’s most popular retailers, with more than 18,700 stores in 47 states. Do…