You can set buyer requirements to exclude buyers who:
Have a delivery address in countries you don’t want to ship to
https://www.ebay.com/help/selling/listings/creating-managing-listings/setting-buyer-requirements?id=...
You can Opt out of the Global Shipping Program (GSP).
(The Global Shipping Program makes your items available to more than 60 million buyers worldwide.)
http://pages.ebay.com/help/sell/shipping-globally.html#opt_out
When you create a listing, you can exclude areas you don't want to ship to.
You can block payments from buyers with non-us paypal accounts in your paypal account and you can block payments in currencies you don't hold.
You can't stop buyers from using a reshipper address in the states.
-------------
Posting ID