United MileagePlus Shopping's Sky's The Limit Sweepstakes

United MileagePlus Shopping is a portal where you can shop and earn United award miles faster for everday purchases. From now until July 28, 2013, you can simply enter here for a chance to win 1 grand prize of 25,000 United miles and 3 gift cards of $500 from Best Buy, eBags and Neiman Marcus. Nineteen other first prizes of 25,000 United miles will also be given away so sign up today for a chance to bulk up your MileagePlus account!