For international sales PayPal takes 3.9% plus a flat rate fee ($1-$5) plus a poor exchange rate which adds in a hidden 2-3%. In total they can end up taking $

For international sales PayPal takes 3.9% plus a flat rate fee ($1-$5) plus a poor exchange rate which adds in a hidden 2-3%. In total they can end up taking $12 on a $100 purchase. But you're right, most of that probably goes to the credit card company.