Free Shipping is available on $700 or more of select items. These items will be marked with an asterisk* on the order page under availability. When added to the checkout if you notice the cart is charging you shipping look for any item without the asterisk * and make it a separate order 
Example: Ships in 2-3 Business days*---------- Items qualify for free shipping over $700 of these items
                  Ships in 2-3 Business days----------- Item does not qualify and will make the cart default to full shipping charges
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