Some of them even dropped out of high school! As you can see, the business world is not idiot proof, and some of the idiots are even the ones with MBA's and a whole lot of doctorates to their name. So, how should you go about making some extra cash? One of the most effective and versatile ways of earning extra cash is to make money online. These are the types of areas that you need to look into first as you'll need to write something about your chosen field, it is best to select one that you are already acquainted with. If your products are concrete, tangible objects then you can sell them on the eCommerce sites described above