If you will buy some items from our store, we can combine invoices to re-calculate shipping cost.
How to check out without payment:
Select items and click "Buy now" button. Afterwards, eBay asks you to confirm you really want to buy the item, clicking on another "Buy" button.
After that, eBay asks you to pay for the item, but please do not pay.
Instead go to "My eBay", where the order already appeared, and click on "Contact seller" to ask me for the total of the order, including combined shipping.