Laughs, this question is just too much for me to answer, but I'll try to tell you what you really need to know. As a user there, you don't need extra skills to start working there. You need to pass the three writing exams, which isn't hard at all in order to secure better paying gig. The exam, you need to write 300 words article which you'll write on the platform. You just have to summarize a topic and write expertly based on your own understanding. After one, the other comes, you'll write three of them and pass before unlocking new level to earn better. You can also earn without the exam, doing other numerous tasks including writing too.
When it comes to writing you don't have limits to what you can earn you'll earn based on your own strength to write magnificently, free from grammatical errors and plagiarism.
They use crypto payment option, PayPal etc.
The minimum withdrawal threshold is around $2, you can check it there if it has changed.