Without been told, you must have noticed that this is a question and answer platform, where members capable of doing the needful on the site join for free. It is a site where you're not only going to get paid for your insightful contribution, but as well as benefits from the knowledge been shared on the site. You are going to be developing yourself, and at the same time getting paid for providing answers to questions.
All that's expected of you, basically, is to provide straight to the point and meaning answers to questions. You can also ask relevant questions you too may have, make an intelligent reply to posts. During the course of doing all these, points would be alloted to you, which would serve as your earnings. For you to have your earnings withdrawn, you have to reach $30 as a minimum payout. And for you to know you've gotten to this amount, you must have accumulated up to 3000 points, after which you can request for payout.
For more information on the earnings, you can simply checkout the tab below this page, which is "answeree rewards program". From there all your curiosity about the site would be satisfied. You're welcome on board.