Whenever you post an item you mark as Dispatched, it is time you read all the other options in MORE ACTIONS, saves all the bother of asking questions that you can find the answer to very easily.
Use the More Actions dropdown beside the listing on your Selling page.
Everything you need to know about selling on Ebay, including how to end listings, is in the Seller Centre (link at foot of any page). You also have the Help pages with their integral search to refer to (links at top and foot of any page).
