This JQuery allows you to refresh listing without page refresh, make sure to apply .mylisting class to your listing. The timeout function improve the UX by hiding success message after 3 seconds

auto-refresh.js

<script>
jQuery(document).ready(function($) {
    $('.jet-form-builder__submit').on('click', function() {
      $('.mylistings').load(window.location.href + ' .mylistings');

			setTimeout(function() {
                $(".jet-form-builder-messages-wrap").fadeOut();
            }, 3000);
    });
});
</script>