Conclusion: Not credible. Hello, nowadays, there are countless examples of cheating! Too many! How to avoid being cheated? The fairy of Baidu's super teacher Ye teaches you several tricks: Anything that makes you pay unconditionally first is not credible. Anything that gives you an advantage can't be trusted. Any news or advertisement from unknown sources is not credible. Let's not take risks for a little profit. Cheap, even if satisfied, can't fill our desires! So, if you do this, you can stay away from those scams and not be cheated.