Upwork is a great platform for freelancing if you want to stay at home and do what you love remotely.
User-friendly interface, great structure, you're free to apply for whatever job that you wish. There is a great job search tool so you can definitely find the job that fits you. There is a good rating system so you can always check whether the client has good reviews or not.
-The Upwork fee is a little bit too high, but it's actually worth it.
-For Top freelancers there was a Chat option with the Upwork Support but it disappeared, so the best option for now is opening a request and waiting for a response.
-If the client is not responsive, then if you end the contract on your own then you will not receive a feedback and it will negatively influence your JJS. On the other hand, open contracts may negatively influence your JSS too. Would be great if some actions would have been taken to give this a solution.
-When you apply for a job, and the person hires another freelancer, the connects(points) which you used for applying for the job are not being given back to you.