changing category

Hello,

1) Can you please tell me how to move a listing to a different category by changing the url of the listing? It doesn’t make sense to completely delete a listing and have to re-enter it all by hand when I can just make a quick change in the url.

2) The “Add Listing” WordPress page is only for adding Places. (I want to attach the “Add Listing” option in a WordPress menu available at the top of the page). How can I change that “Add Listing” so that when that link is clicked, it takes you to all categories so you can choose the one you want rather than only Places?

Thank you,
Michele