PayPal is always the preferred payment method compared to others. It is because people feel safer using Paypal as they feel like their credit card number remains safe. Paypal also sides with the customer and will take money back from the merchant much faster than the actual credit card company would in a dispute.
On the other hand, people do not that believe in a third party wow classic gold selling site as it is always related to hacks or something similar. With PayPal on it, the site is more reliable.
NewWorldGolds.com is such a site. Not only does it provide PayPal, but the site is easy to navigate, and is customer-friendly with as many customer services as possible. Buying New World Coins here will be a pleasant experience, for your online purchasing, as well as for your in-game experience.