Click on your My Account tab. In the 2nd box labeled Preferences you will see Checkout Settings. Its the 2nd option. Click on that and uncheck Use Auctiva Secure Checkout. Scroll down to the bottom and click on Save Settings. Done.
When you block a person, they can no longer invite you to a private message or post to your profile wall. Replies and comments they make will be collapsed/hidden by default. Finally, you'll never receive email notifications about content they create or likes they designate for your content.
Note: if you proceed, you will no longer be following .