I always work on new articles in my userspace before putting it out into the main article area. Since you’re much more likely to run into conflict if you’re putting out an article with a couple of sentences and one source, even if you’re planning on expanding it, than if you move a more fully formed article into the mainspace all at once.
In general you can just do it. As long as it’s not malicious it’s probably fine.
One of their rules/motos is “be bold”
https://en.wikipedia.org/wiki/Wikipedia:Be_bold
Creating new articles seems hard though
I always work on new articles in my userspace before putting it out into the main article area. Since you’re much more likely to run into conflict if you’re putting out an article with a couple of sentences and one source, even if you’re planning on expanding it, than if you move a more fully formed article into the mainspace all at once.