We accept credit card, PayPal and Google Checkout/Wallet as payment for orders. We do not accept PayPal eChecks. Due to potential fraud and misuse, we may not to ship an order, or request additional verification information for credit card or PayPal payments. Credit cards must clear the authorization process and are only charged before shipment. Payments through PayPal and Google Checkout/Wallet are always charged at time of order. For school, organizations or businesses requiring a Purchase order (orders over $250) – please contact us.