As with other rewards programs, the rate at which you earn cash back will vary by card, with particular spending categories often used to decide earnings rates. (cardrates.com)
Aside from the cards and programs I've mentioned, there are lots of other rewards programs out there. (thedigeratilife.com)
An, different from other reward programs, so there is no fee that would eat up most of the value of the points! (dreamtravelonpoints.com)