ST. LOUIS (KSDK) - You use them all year round, and you may have signed up for a lot of your credit cards based on the benefits and rewards.

But an astounding one-third of all reward earnings go unused.

That's $16 billion in reward points and miles every year. But it's not too late to minimize reward devaluation.

Thomas Nitzsche from Clearpoint Credit Counseling Solutions joined First @ 4 to talk about what reward devaluation is and how to avoid it.

Click the video player above to listen to what he had to say.

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