9. Postal service clerks
Median annual wage (2016) : $56,790
Required work experience in a related occupation: None
On-the-job training needed to attain competency: Short- term
Percentage of self-employed (2014): No data available
Mostly being confined to and categorized as a desk job, this job, among the other career options for non-college graduates involves, according to the BLS, selling postage and revenue stamps, postal cards, and stamped envelopes; fill out and sell money orders, etc.