Visit the My Ads section of your LSN account or click the Manage Ads button. Here you will see all of your active post. Locate the post you would like to renew.
Desktop - Click the renew icon.
Mobile - Click the options icon. Click the renew icon.
** Renewing your post resets the start date and moves the ad to the current dates listings. Ads may be renewed for free three days before the expiration date. Early renewal requires a prorated service charge.