Your post can edited or removed from its control panel page that was used to active the post.
The original confirmation email that was sent when your post was created contains a link to this control panel page.
If you have lost this email, it can be resent to the original email address by confirming below. Please enter the Post ID in the box below. The Post ID is found when viewing the post's address. IE: http://www.armslist.com/viewpost.aspx?post=1000. You would enter 1000