Purchases may require details like credit card number, expiration, billing address and shipping info. You warrant you have the legal right to use payment methods and information is true and complete. Third-party payment services may be used and you authorize transfer of information to these parties. Orders may be refused or canceled for reasons including availability, pricing errors, order error or suspected fraud. Some parts of the Service are subscription-based, billed monthly or annually and renew automatically unless canceled. Valid payment method must be provided and automatic charges authorized. If automatic billing fails, an invoice will be issued for manual payment. Subscription fee changes may occur with notice and continued use means acceptance. Paid Subscription fees are non-refundable except if required by law.