Building Credit without Credit Cards

Credit cards are great for people who don't need them. They CAN provide a no-interest loan, with perks (points/miles) for people who use them and pay them off before the interest grace period ends. While it may not be the case for everybody, "Credit cards don't always have to be bad. They can help you down the line ... as long as you're responsible," says a 26-year-old certified financial planner with the Brookline, Mass., financial literacy group Society of Grownups, Tyler Dolan.

But, because of the bad rap that credit cards get, a mere 33 percent of millennials own a credit card, according to a new survey by Bankrate. Giving the cold shoulder to credit cards can make it hard to get a good credit score. So what is a millennial to do?

Here are a few good tips from Bloomberg to answer those questions.