Ustadh many of those who made Hijrah to Madinah, they reside there on tourist visas. Some of them make a living by doing smth permissible like teaching, however paid work on tourist visa isn’t allowed in Saudi Arabia, is it that money halal?

Ustadh AbdulAziz al-Haqqan

This is a matter that has to do with the country's laws and regulations, and it needs to be tackled by those who are specialized in that field.