For a multiple product order, we will make every attempt to ship all products contained in the order at the same time. Products that are unavailable at the time of shipping will be shipped as they become available, unless you inform us otherwise. You will only be charged for shipping at the rate quoted to you on your purchase receipt. The entirety of this shipping charge may be applied to the first product(s) shipped on a multiple shipment order. On occasion, products are shipped separately due to the location their warehouse location. You will not be additionally charged for shipping, should a product be shipped at a later date.