How upgrading your credit card could unlock new perks

You may not give much thought to whether or not you're using the right credit card. But it's worth considering. Your credit profile and spending habits will likely change over time, and "if you've stuck with the same card for a while, you might be missing out on rewards and benefits that can add up to hundreds of dollars in value every year," said CNBC Select. But the problem with applying for a new credit card is that your credit score will get dinged from a hard inquiry, and you'll lose the hi...