Dollar Tree. Dollar General. Family Dollar. 99 Cents and Up. Discount stores here in the United States are not very inspired in the name department. And they really don't have to be. They serve their purpose: to provide inexpensive necessities to people who really, really need them. Over in the UK, we'd wager people feel similarly about the names of their own bargain businesses. But that's just because across the pond the word “pound” refers to currency instead of, um, doing the nasty. hi twitt…