Hi Manuel C.,
Learn how UpWork works before wasting your time elsewhere. This will keep you safe. Getting a job on UpWork is a bit difficult, it depends on your skills.
Before starting work, Take some time and check out these UpWork Free Courses.
You will understand more after completing these courses.
Some Important Links:
Check this Expert talk
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If you need an answer to any question, search your question first in the community. If you don't get an answer, post your question. Because you will get late reply when you post.
I hope this message helps you.