This isn't your normal Asian market. Most of us are happy that we can even make our clumsy attempts at buying sample quantities without speaking the language no

This isn't your normal Asian market. Most of us are happy that we can even make our clumsy attempts at buying sample quantities without speaking the language nor having a local business. There's little evidence of a "foreigner tax" in effect, if anything you're getting better prices and service because you're a curiosity.