Later, if you'd like to make a change or delete the item after it's sold, you will be able to.  Just click the Edit - or Delete - buttons that will appear next to your item.  Note that these buttons will only appear next to items you've submitted and only when using your computer.  No one else (except the web master) can edit or delete your submissions.  Also note however, that submissions deemed to be inappropriate for this web site will be immediately removed.