Redstone Federal Credit Union has an intriguing cash back credit card offer. Its VISA Gold, Visa Platinum, and Gold MasterCard earn a 1% cash back reward on the first $5,000 in annual purchases and 2% cash back on all purchases above $5,000. There is no mention of a cap on rewards. This means that if you charge more than $10,000 in a year, you’ll come out ahead of a 1.5% cash back card.

The cashback bonus is credited annually in January. Membership is required in order to apply, as the bonus is deposited to your credit union savings account.

Redstone is one of the larger credit unions in the nation, serving over 300,000 members and having over $2 billion in assets. It primarily serves the greater Huntsville, Alabama area, but anyone can join. Membership information can be found here. (As pointed out on CB, membership in The Arc of Jackson County qualifies you, at a cost of $15.) More details about the credit cards are listed here. (Via FW)