It is easy to start any kind of website with Dolphin. You need to:
1. Download Dolphin
2. Obtain a web server
3. Install Dolphin and begin to modify according to your site content.
By downloading Dolphin, you are getting all the source files. It is open source, and you are free to modify and customize it as much as you need. There are thousands of successful Dolphin based websites, superbly customized and modified. Here are some of them - http://www.boonex.com/dolphin/demo/ (at the bottom of the page)