I just recently join Chegg as an expert, and now I am feeling; really you can earn extra income here by working in your free time. Chegg offering more than enough money for one solution, and if you are a perfect solver, you can earn in lakhs also. Being an expert . But before joining be careful your chosen subject, because once you become an subject expert, you hardly can change your subject.
This is platform where you can fully utilize your knowledge and can earn extra income.
But we careful about your CF score, and if you are doing some work which is not permitted, Chegg can revoked your account too.
So be honest and earn your knowledge!