Sorry to disappoint you but let me show you some examples:

- can you register transportation company in one country and just service customers from other countries on price you find fair in terms if your country? No

- can you do the same as plumber, electrician, architect? No

- lawyer?

You need to apply for permit in particular country and use their minimal prices.

This is not free market

It is easier to export tomatoes than replace shower in the bathroom.