You can apply for the Caesars Rewards credit card online or in person at a Caesars Rewards Center if you are 21 years old and have at least a good credit score. If you’re not quite there yet, learn how to boost your credit score quickly. Once approved, use the card to earn rewards points on purchases. These points can be redeemed for hotel stays, dining, entertainment, and more at participating Caesars Rewards destinations.  Remember to pay off your balance in full each month to avoid interest charges. Using the card regularly and paying on time can also help improve your credit score.