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Why have just any old credit card in your wallet when you could have a card that rewards you with free stuff -- or even cash.

Do you love cash? Of course you do! If you don't already have one, maybe it's time for you to get a rewards credit card. You'll find you have a ton of choices.

Basic types of rewards cards

Black leather wallet with credit and discount cards
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So, you think you want a rewards credit card. But what type?

  • Hotel rewards cards can save you loads of money at your favorite accommodations.
  • Airline rewards cards help you build up frequent-flier miles toward free trips, and offer luxury bonuses like access to first-class lounges at the airport.
  • Other co-branded rewards cards might allow you to collect points toward discounts at your favorite stores, gas stations or theme parks, or even toward awesome experiences if you're a Major League Baseball fan.
  • General travel rewards cards offer points that you can use at a range of airlines and hotels. You're not limited to just one carrier or chain.
  • Cash-back rewards cards put money back in your pocket, usually a percentage of your spending.

How to narrow it down

Couple doing the check-in at a luxury hotel paying by credit card
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Yep, you have a lot of options! But the more you're a creature of habit with your spending, the easier it is to pick a rewards card that you can really milk for savings and perks.

For example, do you have a favorite hotel company that you like to stay with at least a few times a year? You can rack up high-value points faster with the card that's tied to your preferred hotel brand.

If you commute to work, consider getting a card that rewards you heavily at the gas station.

You may find that you'd like at least one travel-related or other co-branded card in your wallet — and one cash-back credit card. In that case, you'll need to decide which sort of cash-back card to carry.

Different flavors of cash-back cards

Credit cards and dollar bills
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All cash-back cards are not created equal. There are three basic kinds.

  • Flat-rate cash-back cards offer you a fixed percentage of cash back — usually 1-2% — on every purchase you make.
  • Cash-back cards with bonus categories shell out extra dough when used on certain types of spending, like you might get 5% back on gas or groceries. Usually, there's a lid on the bonus rewards — they stop once your spending hits a threshold.
  • Cash-back cards with rotating categories pay bonus amounts in spending categories that change, typically every three months. To earn the cash-back bonuses, you have to go to the card's website and opt in each time the categories change.

Applying for a rewards card

CREDIT APPLICATION FORM CONCEPT
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If you want to open a rewards credit card, head to the credit card company's site and fill out the requested information. The card issuer will look at your credit score to determine whether you're worthy.

When deciding whether to apply for a particular card, explore whether there's a sign-up bonus. If using the card just a few times will score you 60,000 miles with your favorite airline, that may be all the incentive you need!

Be warned that rewards cards tend to have higher interest rates, so it'll be important to pay off your balance every month. They also usually come with annual fees, which may not start until the second year. (Sneaky!)

Remember, rewards credit cards offer free money, airline tickets and more, but you have to choose cards that match your spending habits. Now get out there and save!