If you freelance, you have the ability to charge whatever you like. Some charge per word or page, others by the hour. It can be quite tiresome and takes a lot of time. You also have to really know your rules.
When I joined 5 years ago, I wanted to be a slush-pile reader. I read extremely fast and thought it would be perfect for me. Unfortunately, the traditional companies use interns for free. God, however, had other plans for me.
I also wanted to be a judge for the challenge (back when volunteers did it), but I didn't meet the criteria. Then they went to professional judges. However, I decided to challenge myself to read every article and leave constructive critiques. Before I knew it, I had 10-15 people asking me to be a challenge buddy or proof an article. The next thing I knew, someone recommended me to edit a poetry book, then I was asked to do other projects, and eventually I started editing on a regular basis for two companies and for some individuals too.
All of this was thanks to FW. I am disabled and never thought I'd be able to earn money again. It's not a lot (sometimes it averages to less than $1 per hour), but it helps a little. Even more, it did wonders with my self-esteem. God had planned it all out for me.
If you feel him calling you in the copywriting direction, I say go for it . A great way to get to know people and make connections, and showcase your writing skills is to start by leaving feedback in the challenges. I try to say positive things first and last and constructive things in the middle. I shoot for a 2:1 ratio. It isn't always easy to find positive things, but as soon as I pray about it and let God lead me, I find tons of positives. Sometimes, he tells me not to leave constructive feedback. I try to tune into his will, but sometimes end up doing it my way, which hardly ever feels good, but always a lesson is learned. The Critique Circle is another great place to connect with authors. There are always people looking for feedback and it's a great way to introduce yourself, help others, and become a better writer.
Though it didn't directly answer your question, I hope how my dream of becoming a slush-pile reader or a beta reader that led to something way above my expectations helps you.
You may want to check this link out too: