The shipping weight is 8oz and can ship via USPS Ground, Priority or Express. Express is an extra day from my post office. No international shipping nor to freight forwarding companies. 

Unless I have activated the "best offer" feature, I do not entertain offers. 

For combined shipping, add all items to your cart and ask for a total. Sometimes paying for all at the same time will combine shipping, but the 8oz is the shipping weight including packaging so multiple items will weigh less when packed together. Once paid, eBay doesn't allow any changes and I have to show tracking for each package. Sometimes this won't work as eBay keeps making changes. I can create a custom listing with all items which will allow a single shipment. For small lightweight items, the cost difference in shipping might not be worth the fuss.