Easily limit how many products one store can have. If the limit is passed the add new products button is removed.

Because this is OCMOD extension you need to install it from Extensions > Extension Installer . After that go to Extensions > Modification and click the refresh button.

Find out more on http://macedonius.com
Commercial support is available on http://support.macedonius.com

If you want to limit custom number of products you can buy http://www.opencart.com/index.php?route=extension/extension/info&extension_id=20020