Go to Store Tab>Edit Store Window. Then pick which type of store window you want, then below that is where you pick the placement of the window. Be sure to save the changes. From now on all new listings will have this store window placement.
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 .