1) Log in your account.
2) Click the account icon (right of the top).
3) Select My Advertisements.

4) My Advertisements like below. 

- This stats page to show you statistics report.

- Once you update your ad click "Update" button at below.

Mark as Sold & Deactivate
Once your product unavailable, please click Mark as Sold or Deactivate. 
- Once you click Mark as Sold or Deactivate, your ad will be deactivate.

Re-Active Ad
- Click the Active button, the ad will be active and re-publish again.