There is no such thing as "self-plagiarism"
Finally! I'm amazed this took 11 posts.
@Shamm: It's best practice to use the quote-button if you have to copy your own text and use it elsewhere again. Using quote-tags makes it instantly clear you wrote it before, and gives the reader a chance to click it to read the original context.
Even better if you can edit your previous posts and add the quote-tags where appropriate.
In theory, it's nothing wrong I guess
Apart from the small changes in each post, it more or less violates this rule:
12. No duplicate posting in multiple boards