Sign in to the Customer Portal Method #11. Click on Manage Existing under My Listings2. Click the 'Invoices' button next to the membership you need an invoice for3. Click the Invoice # or the 'View' button to open4. Click 'Print'Method #21. Click on Billing HIstory under the Billing & Invoices section2. Find the specific transaction and click the Invoice ID or 'View' to open3. Click 'Print'