Earn Hundreds of Thousands of Miles via Credit card churning
Simply by signing up for credit cards that offer huge sign-on bonuses, you can easily earnhundreds of thousandsof points and miles each year. Credit card churning involves signing up for a new set of credit cards every 90 days or so (each wave of signups is called a "churn"). Usually, the annual fee for such cards is waved in the first year. At the end of the year, when you get a bill for the annual fee, simply call up to cancel.