There are many ways to earn while you are a college student. It is also a good habbit to earn from starting. It will give you some pocket money. Most importantly it will sharpen your skills. For such a part time job you can become a freelancer as most of the students are doing. To become a freelancer you have to register on freelancing websites like upWork, fiver, freelancer.com, etc. Then you can bit on the various jobs available there according to your interest. Or you can take up tution classes if possible. These two are most common ways to earn as college student.