Id love to hear some more in regards to buying "used" versus new. I am always concerned about inherited someone else's issue and the lack of warranty on the piece. Not sure how I can provide you my email privately if you dont have it already.
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 .