American Express, MasterCard, Visa, Discover, ApplePay, PayPal, Theory Gift, and eGift are just a few of the payment methods that Theory offers. You can review the credit card usage record to see the specifics of order deductions. If your credit card shows several charges, this is because the order was mailed out in various deliveries; however, the total of all of the charges should equal the cost of the initial order.