Warehouse 23 offers FREE U.S. SHIPPING on orders whose items (excluding any taxes, shipping, and handling) total over $150!

The offer is only valid on orders shipped within the continental United States, excluding APOs/FPOs and P.O. Boxes. 

Choose the default shipping method at checkout to qualify. . . it's the one with a shipping cost of $0.00!

If this did not answer your question, please open a new ticket.