When working with drealty, you may wish to use Drush to import/flush the listings. Here's a list of available commands.

Drush (Drupal shell) is a program that you can install on your computer and/or on your web-hosting server, which allows you to easily build and maintain all aspects of your Drupal installation, whether that be a 'Local' site on your computer, or an online site.

It is a program with which you use your keyboard to issue Drupal 'text' commands in the Unix language, as opposed to your using the mouse in a visual user interface.