Their shipping can be free, depending on dollar amount of order. Returns are definitely not free. Return costs,are based on cost amount for returned Item. Example items over $20, refund cost for you would be $10.99.
Standard Shipping is USPS (postal service). The shipping cost is based on the amount of your purchase: $5.99 for a purchase under $20, up to $16.99 for over $100. Express Shipping is UPS ground and costs an additional $6. If your order is under $20, Express shipping will cost you $11.99 total.