On having to pay taxes specifically: in many countries it depends on the place of supply. Usually having a work visa implies that you are working for a local c

On having to pay taxes specifically: in many countries it depends on the place of supply. Usually having a work visa implies that you are working for a local company. I lived 3 years in Eastern Europe, technically working for a foreign company, which invoiced local companies (so I made pretty low pay). Every 30 days I had to go to the border and exit/re-enter the country for a new tourist visa stamp (eventually they made it max 30 days in a window of 90 days). It also works for the US, but the border control can get suspicious if we cross the border too often. Of course, if employers accept to have employees in a given country is another story (liability/jurisdiction).