It sounds like you've done the necessary things as far as the setup is concerned.
Next you will want to do some research and find some good niches.
Look at upcoming products, movies, albums, celebrities, etc. If you can get a head start and build informative Hubs about the above mentioned then you could do very well.
Try not to capitalize too much on things that are hot right now, as you may be too late.
I have a couple Hubs that may help you. First off is finding a good niche.
Once you have built your Hubs, grouped the related ones together, then you will want to ping your Hubs. Then begin linkbuilding and sharing your Hubs on the various social networks, forums, and with friends/family.
Don't sit around waiting. Begin working on your next project. Keep building and growing.
If you "stumble" upon a superstar niche you can create a website about that niche.