Currently price guide settings only allow a buyer to include only items in stores
for a single country.
For example, I can select the price guide to only show items located in United
States or Germany, but not both at the same time.
I only order from around 12 countries that have favorable shipping terms but
have to scan an exhaustive price list from countries I have no interest in purchasing
in.
My suggestion: Allow multiple country inclusion or exclusion in default price
guide settings.