Have you ever eavesdropped on a conversation between a couple of gun enthusiasts about their choice between a .45 ACP and a 9mm? It has very little to do with subjective preference and more to do with ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Cierra Murry is an expert in banking, credit cards, investing, loans, mortgages, and real ...