Allow us to exclude certain countries when selling by using a friendly check box system - easily selecting many countries at once.
Being able to just select selling worldwide, except countries A, B, C, D ... K.
It must be a check box system and not a drop-down selection system, that's slow and buggy - like Etsy has and it's horrid.
I think they already have this? You can specify
[_] N. and S. America
[_] United Kingdom