Purchases may require information such as credit card number, expiration, billing address and shipping info. You warrant legal right to use payment methods and accuracy of information. Third-party services may process payments and information transfer is authorized. Orders may be refused/cancelled due to availability, pricing errors, order issues or suspected fraud. Some services are billed on subscription basis and renew automatically unless cancelled. Valid payment information must be provided and automatic charges are authorized. If billing fails, invoices may be issued for manual payment. Subscription fee changes may occur with notice. Paid subscription fees are non-refundable except as required by law.