You can then monetize your site so that you can get paid when people view the ads. This is just one example of how a professional skill set and knowledge base can be used to earn more money. In this instance, you will be working directly for yourself. Any skill, service or product that you can sell and that other people might want, can help you to obtain more personal freedom and wealth. Although you will only be selling these things after your normal work hours, some opportunities like these can be more profitable than certain forms of office work.
There is the additionally the opportunity to look for part time online jobs through online classified sites. These tend to be a bit more conventional in nature. For instance, you can fulfill customer services and administrative duties while receiving an hourly rate from a traditional employer.