Using PayPal: For Sellers

Purchasing from an online payment service is one thing; incorporating an online payment service in your own merchant website is quite another. Setting up your site to use either PayPal or Google Checkout can be an extensive undertaking.

That said, both online payment services are actively courting online merchants, both large and small. If you're a small merchant—or just an individual selling an item or two—the process is as easy as adding a "buy now" button to your website. If you're a large merchant, you can use either service's developer tools to add a fully customized shopping cart and checkout system to your site. The process is as involved as you want it to be.

Of the two services, PayPal is the one with the most ...

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