BUY A BUNCH, I COMBINE SHIPPING. BE AWARE THAT IF THE SIZE OF YOUR PURCHASE GROWS LARGER THAN AN ENVELOPE AND MUST BE SHIPPED IN A BUBBLE SHIPPER, YOUR SHIPPING FEE WILL INCREASE TO $3.25 US AND $7.50 INTERNATIONAL. AND IT GROWS BY THE OUNCE FROM THERE. 

I DO HAVE SOME "IN-BETWEEN SIZES FOR SHIPPING FLAT ITEMS THAT ARE UNDER AND JUST OVER AN OUNCE.