Upon approval, can I immediately make a purchase? October 06, 2022 21:30 Updated The physical card will be needed. Upon receipt and activation of your new card, you can begin using your card for purchases. Related articles How much will I save with my card? How long will it take to receive my new GasBuddy™ Mastercard® Credit Card in the mail? What is the difference between the GasBuddy™ Mastercard® Credit Card and the Pay with GasBuddy Card? How do I apply for the GasBuddy™ Mastercard® Credit Card? Is there an annual fee for the GasBuddy™ Mastercard® Credit Card?