Please be aware that this is a member to member forum. No one here will be able to lift your limits.
Additionally, as a seller with only one sale under your belt and no feedback, you will remain restricted until you mean certain criteria.
As for selling on ebay.com, here's the policy for selling internationally:
http://pages.ebay.ca/help/sell/globalexposure.html
Get some buying and selling experience under your belt before going international.
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Non payers should get unpaid item strikes and be added to block bidders lists. Period.