I can setup your site to allow you to extend it too any number of sites(not just 30).
Please see my private message for more details.
You can see my review-profile at [url removed, login to view] with refeもっと
We have a team of good developers(Drupal/WP/Joomla) and designers.
And we got your requirement .. may be this will a simple job. what we have to do is we have clone of your site in to 30 sites.
For detail pleaseもっと
Copyleft Solutions has the required Drupal/PHP/HTML skills to accomplish this project. You will be in direct contact with our developer till the end of the project. We do not expect any payment till the end.