If you love pizza, you have to check out the Piece of the Pie Rewards.After joining this reward program, you will quickly begin earning rewards that earn free pizzas. One order of $10 or more is equal to 10 points. Earn 60 points and receive a free pizza. Only one order per day is allowed to count toward the point total. Enrollment is quick and easy. You can earn a free pizza in as little as a week, depending on how much you order from Domino's. By saving points, you can redeem as many as five pizzas in a 24-hour period.