Microtasking with mturk or Microworker is the best way to earn decent money online

Mturk is a site run by Amazon, which provides thousands of assignments which can be done in few minutes to a few hours, depending upon the nature of the task.

The payout for each site varies upon the time spent along with the difficulty levels. Some tasks require a qualification to be done, based on which you can take up the activities.

You join as a worker and start with tasks which do not require a qualification. For each task you accept there is a rating system, which determines how you progress on the site. The earning opportunity is fantastic depending on the time available to you.

Mturk gives you an opportunity to earn good money in comparison to other sites. Here you need to work on various kinds of tasks with objectivity. Start with sure shot and easy HITs ( Human Intelligence Task) so that you can maintain a good percentage of acceptance from the requesters. Gradually go for the bigger HITs.

Microworker is a similar site that helps you choose among a variety on micro tasks and complete those within the stipulated time frame. The minimum payout is 10$ and if you are dedicated you get to earn more.  The workers, sign up and...

— Browse micro jobs
— Select jobs you like
— Finish tasks & submit proof
— Earn money
— $1.00 Sign up bonus

You can also be an employer and host your jobs for the workers.

Both the websites are free to join and promise a whole avenue of opportunity. Stay put for long tern goals.