Exactly. For example you don't charge VAT for intra-EU invoices and in practically every EU country you're liable to pay taxes there in case you stay there for

Exactly. For example you don't charge VAT for intra-EU invoices and in practically every EU country you're liable to pay taxes there in case you stay there for more than 183 days. There's just no blanket solution here - at least not at the small-fish level.