Yes. Your payment is being processed by PayPal SSL, which is one of the major CC processing companies in the world. We do not store your Credit Card information.
We usually ship out products the same or the next business day. In rare occurrences it might take 2-3 business days.
The shipping is calculated automatically during the checkout. Shipping calculation is based on USPS or FedEx rates, product weight, and freight option you choose (priority, overnight, next day, etc...).
Yes, we do accept returns. You need to read our return policy and if your product is eligible for return you will simply need to fill out the RMA form on our website and ship your product back to us making sure you obtain the tracking number from your carrier. The RMA form is located here.
The refund will be issued to the same payment method you used when placed the order.