New sellers have several restrictions that are removed as they become more used to selling.
One is on selling internationally. While overseas customers are not usually the problem, shipping overseas is tricky.
For example, what would you do if your Egyptian customer asked for cheaper Surface shipping? How would you ship a $500 vase to Brazil? How would deal with the return of a blouse from a Norwegian customer?
Meanwhile, did you know that your customers' cleared payments will be Held by Paypal for 21 days against your selling performance? Did you know that you can still access that money to buy a PP shipping label? And that PP offers postage discounts of 5% to 18% off PO counter prices on those labels?