It could have something to do with labor cost also. For domestic they have to have a person that they paying living in the U.S. to receive and store product and then fulfill orders. Not as cheap as the guy doing it in China or Europe.On the domestic site, you're paying more for the risk THEY are taking, by it coming from the U.S. it's definitely cheaper on the international site for sure...and, either way, who knows whatcha gonna get