i do wish that was move obvious (like eBay), or there was a way to automatically exclude results from abroad by default on all searches. bonus points for allowi

i do wish that was move obvious (like eBay), or there was a way to automatically exclude results from abroad by default on all searches. bonus points for allowing me to specify some countries (like Japan) or exclude others. it wouldn't even impact Amazon's bottom line that much, as most people would never turn it on if it's opt-in