A pricing list for what? Auctiva doesn't charge for the use of their image hosting/templates/etc. The only thing you would have to pay for is if you use their discounted shipping insurance, have a custom template made or buy a domain name.
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 .