With the economy challenging, many are considering career changes and marketing offers opportunities. There is demand for marketers in many fields and locations depending on the product. Although starting salaries are modest, marketing allows for high earnings within a few years if one is willing to work hard. To secure a job, interviews require convincing employers your skills will boost their business, just as marketers must convince customers of a product's value. Successful marketing relies on research, networking, understanding consumers, and maintaining a people-centered approach.