College students make money online in all kinds of different ways, and the ones doing surveys aren’t going to be millionaires any time soon. That said, anyone with the time to sign up to two or three survey providers and answer all of the surveys offered them should easily clear an extra $30 (£25) or more each month. Taken in the form of Amazon vouchers, this is a good way to keep up with those essential reading list purchases.

These little jobs are done by people who log on to a company’s site and choose tasks, which could be as simple as clicking a link. Amazon's Mechanical Turk is one of the most well-known sites of this type. Also, there are crowdsourcing projects, which are similar to data entry, where companies engage an army of virtual workers to each do one small part of a larger project.