You can start online share trading to make money in short time. But this work is not for everyone. Share trading work only those people can do who know its ins and outs. Means People who have experience in this field can do this work. In this, you will buy shares of some companies which you think beneficial. After some time when you see there in increase in the value of share you sell them for good profits. Mind you its not always beneficial, sometime people sells the share in loss also. So this work is very dynamic and recommend to the professionals who are confident that they can do it.
You can pick writing jobs directly from a live job board or have to bid on a job and hope that the job is awarded to you by the relevant client, depending on how the site works. Some sites may require you to take an English grammar and writing test and some may require you to submit a sample or samples of your work while others may require you to take a grammar test to evaluate your skills. If you pass any relevant test, the relevant site will let you take on writing jobs.