There is a common denominator for most newbies and that's to earn instantly. And with the article that you've given it has said something that newbies should remember and that is about the copy trading. It's good that you're giving a warning to them because most newbies think it's a shortcut and easy strategy.

Don't be greedy and take profits.
That's more than enough for a reason and tip to be said for most newbies because when they can see that their portfolios have been increasing, they don't want to withdraw and take profits.