Welcome to Trulia and thank you for your question. If you would like to cancel your Trulia Pro subscription, please contact our Customer Service team. You can contact them via the link that James provided below but you will also find contact information for our Trulia Pro support team within your My Trulia account.
Though you are correct that only agents and brokers can currently add listings to our search results, please keep in mind that you can keep your Trulia Pro subscription and make use of the Local Spotlight Ad on our site.
Please let us know if you have any other questions or feedback for us.