Upwork take around 10% in commission, and /u/okay__cool is right - it's hard to pick up the first few jobs, but once that ball starts rolling it's much easier to get more work in.

I am agnostic. I've never heard an argument from an atheist that was any better than an argument from a theist, non-theist, or other-theist. My experience is that atheists have a type of faith in the non-existence of religious constructs just as strongly as theists have faith in their religion.