You can select this option for any product when you first add the product to your store, or you can edit any product later. When selected, the product price is replaces with text and a link to an explanatory popup. You can change any of this text at any time.
This Addon should only be used when the manufacturer has a minimum advertised price for certain products and you price is lower. Customers generally don't like hidden prices.
The code is here.
Edited by kymation, 09 May 2013 - 03:50.