Decide which revenue generation method you will use on your site. Free hosting is available, but paid hosting generally is better because you get more space, better monitoring and an overall more stable website.
Choose a host that can provide the amount of bandwidth you project will be necessary as the site grows. Select software or site building tools to create your site.
I get tons of emails and most of them are about how to get started and what do I need.
I wrote this hub page as an overview of steps to help you get started.
Use the information you gather to identify what you could do differently to set yourself apart from other free dating sites. Check the websites of companies that offer affiliate programs and ad networks.