When People Make Their Own Banks
An ex-con lends money to people in need; a group of friends creates a savings club. Even without banks, people often figure out how to get the money they need, when they need it.
Credit cards can be a safety net in emergency situations, give rewards for using them and help build credit. But if you pay with plastic for your purchase, you may want to pay attention. That's because swiping your credit card at the checkout counter could result in a new surcharge.