I didn't receive a payment though. Just want to send out a birthday present to my niece and didn't feel like hand writing a label. Guess I will either sign up at USPS so I can print one or hand wright. No biggi.Does this help?
But it looks like paypal still wants their cut
"PayPal offers a free, convenient and easy way to take care of your shipping needs with a variety of helpful shipping tools - with no hidden fees.
After you receive a payment, click the Print Shipping Label button on your Account Overview or History page to access the shipping tools."
https://www.paypal.com/shipping