Pros
You will get salary timely
Cons
You will see suspicious things, you win't find any identity of your colleague, by name or profile picture, even you can't see there face during meeting, you won't find any linked in profile of management people, they will pressure you to do job, that is not related to job description and role.
They are unable to keep the task in queue, so supertal.io usually layoff without any notice, and hire people for very short term project.