Click the "Insert or Edit Link" button and then type "#anchorname" in the URL field. Replace "anchorname" with the term of your own anchor, i.e. "section3" in the above example.

You can learn how to create an email-friendly "Buy Now" link by following a few steps. Log in to your PayPal account at PayPal.com. Click the "Merchant Services" tab at the top of the screen.