You can avoid interest charges on purchases. This is called a grace period on purchases. The grace period is at least 25 days. Consumer Financial Protection Bureau (.gov) What is a Grace Period on a Credit Card | Chase
: To avoid interest, you must pay your entire "New Balance" by the due date every month. best buy credit card grace period
: 25 days from the end of a billing cycle to the payment due date. You can avoid interest charges on purchases