When combined flat rate shipping & handling is offered, there is a flat fee of the highest shipping cost of all items purchased.
The remaining items purchased ship free regardless of where you live within the U.S., and regardless of how many items you purchase as long as only one payment is made.
If you do not request a combined invoice, the items will be shipped separately and no refunds will be issued.
Combined shipping for items that are not flat rate:
For items that are not listed as combined flat rate, but are combined rate, you will pay the highest shipping fee and a reduced rate for each addition combined rate item, as long as only one payment is made.