You need to be able to identify potential customers that are ready to make purchase or use your service and then convert that lead into a client.
This is a formula that you will be repeating over and over on the Internet. There are two outlooks that will greatly benefit you, one is making sure you are always ready to answers any questions and best before the client believes they have a doubt. The second is to make sure you are always moving your leads through your sales funnel. The greatest benefit is that you will be working on Internet time which means that the more you optimize your website for consumer purchase, the more business you close, the more you are recognize by search engines as a reliable resource for potential customers.
It is a system that keeps optimizing itself to provide the best experience for your clients. Your main focus is to make sure you are always putting your best foot forward in how you represent your product or service. You can test different features of your website to see what is working and immediately make updates.