Rewards are limited

<p>I went to the Shell in Kramerville and was told that I cannot swipe the Discovery card and the Cicks card for the same fuel purchase - why not? They are different entities entirely and not competition to each other. Why do I have to choose? ANd why are you advertising both if you have to pick one?</p> <p> </p> <p>I did try to send this query via your website but there is no contacting email address for any queries to be forwarded to...</p>