Invest in some groceries and coffee, and maybe you have enough money to buy a domain and hosting to test something on. $50 is not enough to do anything, but this doesn't mean you can't learn, learning is free.
Yes, I've recently been using the "content improver" instead. I break down the articles into small paragraphs, and use that tool to rewrite it, works like a charm but you have to go over it and optimize it. I don't really use the long form or article writing features anymore.
Million dollar biggest mistake.
1. Disabled crawlers while I was updating content on site for a month as 2. My competitor stole all the content and submit to Google until 3. I enabled crawlers and submit website and got removed from first page while 4. My competitor is now rank 1-3 in 20+...