According to a Fall 2013 survey of 161 companies, conducted by NACE (National Association of Colleges and Employers), recent business graduates appear to have a slight edge for hireability over engineers. Forbes published the results in Apr 2014: 68% of employers surveyed said they were planning for business graduates, 66% for Engineering and 59% for Accounting. Computer Science ranked 4th at 50%.Marketing is an especially important part of business-related skills. Career-wise, according to the US Bureau of Labor Statistics (BLS), there were 174,010 people employed as “Marketing Managers” alone (May 2013 data), with a mean (average) wage of $133,700/year and an annual median wage of $123,220/year.
Some online marketing techniques like blogging, email, and social networking may not involve a lot of direct costs. However, you will want to dedicate your time or your employees' time to those that are used most often by your audience and that will bring you the most sales leads or foot traffic.