There is no need to create duplicates. As
Writeup Formatting Tips tells you
The three most important words in posting
- Preview, Preview, Preview.
Even though, in most cases, you can edit your node after it has
been submitted,
some sections of the site do not allow this, so be sure that
everything is looking how you want others to see it before
you finally hit Submit.
(In your User Settings you can switch
off the forced preview. But don't. Even the most experienced monks
still preview before posting.
Your humble author has previewed up to eight
times on some posts, just to make sure it would look right.)