I think it is better to just come up with your own content. Most of those type of programs that are designed to make things easier, really just make things more difficult. You are right. The more you write, the more practice you get, and the better you’ll become. I have been writing for years myself, and I have never needed any content generation programs.
Very Fast Results - The main benefit that you can get with the tool is that you will be able to get very fast results when it comes to your rewrites. Its a well known fact that this product has been updated over time to the point where it can rewrite a 500 word article into something thats new and unique to the eyes of potential viewers within 9 seconds or less compared to the past version where it will take 2 minutes to finish rewriting.
I've ranked websites in the past with spun content, and now they are still on #1 position of google. First year (2014) google found me because my spun was really bad, many paragraphs were just copied and my position drop from #2 to around #20 after a panda update. Later I cleaned all my text with better spun (I didn't buy any article!), my ranking went up again, and with more backlinks I reached #1 and it is still there