Sitting outside every morning with a fresh cup of coffee or reading a book in the front yard at night: it's the simple pleasures that matter to Susan Cannon. Lately, sky-high interest rates on the 73-year-old's credit cards have cast a dark shadow. "I can't get the balance down because I am still having to use credit cards at the end of the month to get groceries and gas," Cannon, who lives in a mobile home in rural Texas, told Business Insider. "I pay my bills, but because of the interest