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Browse credit cards from a variety of issuers to see if there's a better card for you.
Are they a worthwhile credit card? How are they on their limits?
Which one? The Easy Rewards is what I used to have an is an okay card. 5% back on dining, gas, groceries, utilities for 6 months and then 1% after that. You get this in the form of points. 1 point = 1 cent. You can redeem as a check, gift cards, some merchandise, etc.
The Cash Rewards card IMO is a scam. It offers the same benefits as above (same rewards) but you can only redeem as a $25 statement credit. There is no reason to get the Cash Rewards at all. Stick with the Easy Rewards. More flexible and since 1 point = 1 cent anyway, you don't lose anything.