We visited Family Dollar, the store that analysts say is becoming Dollar Tree's biggest problem. Here's what we found. (DLTR)

Business Insider/Mary Hanbury Family Dollar was acquired by Dollar Tree in 2015. Analysts say Family Dollar has proven to be a drag on Dollar Tree's earnings. "Family Dollar remains the weaker part of the business," Neil Saunders, managing director at GlobalData Retail, said in May. "A far higher proportion of its shopper base goes there out of necessity rather than because they particularly want to." We visited one of its stores to find out what it is like to shop there. It's been three years s...