Certainly! The key to earning money on this site to 1) publish high quality hubs on topics that are of interest to people and 2) be involved in the Hubpages community. Some Hubs will take off and earn a lot of traffic while others will sit unnoticed. So writing multiple high quality hubs will increase your chances of having a Hub that becomes popular. Additionally, your Hubber Score (think of it as an overall profile rating) is influenced by your activity on Hubpages, so your involvement in forums, Q&A, Hub Hopping, and commenting on Hubs will increase your Hubber Score. This Hubber Score then influence the Hubscore of your individual Hubs, and this Hubscore is what Hubpages uses in its determination of which Hubs to prioritize for readers.