https://www.rewardsurvey.com -register and take the survey to get $20 in rewards. With that reward you can get one of these subscriptions:  AFAR, Arthritis Today, Hola!, The Red Bulletin, Golf, Money, People en espanol, Travel + Leisure, Autoweek, Cigar Aficionado, Entertainment Weekly, Real Simple, Sports Illustrated, Sports Illustrated Kids, Wine Spectator, Golfweek, People, Robb Report, New York Magazine, and Variety.
You can also enter 5 emails to get $15 more in rewards. You can do that once a week.