Another option is to register your products with Clickbank. Just like PayPal, they take care of all your sales and they redirect to your site to finish the operation. http://Www.yellowriverinc.com/__media__/js/netsoltrademark.php?d=Launchhappy.co%2Fguides%2Funleash-your-websites-potential-mastering-squarespace-domain-hosting-pricing