Sign up for this Discover Escape Card and get 1000 miles each month that you make a purchase for the first 25 months, which gets you 25000 miles. Plus, you get unlimited double miles on every purchase (2 miles for every $1 you spend). It also includes other travel benefits like free primary rental car insurance (no deductible), lost or damaged luggage insurance (up to $1500), and travel delay insurance ($150/day for unexpected food and lodging expenses). You also get 0% APR on purchases and balance transfers during the first six months. There is a $60 annual fee.