Earn profits through membership fees if appropriate. Depending on your site's content, making portions of your site open to subscribers only may earn you more money.
Your website needs a banner page. A banner page gives you the opportunity to exchange links with business you have a relationship online. This is a great and easy way to improve your rankings in the search engines and will garner you more traffic.
If you ask for outside investment, be prepared to answer lots of questions about how your business operates. Make sure you are geared in to what is going to generate the most earnings at any given moment.