If there's a way to learn and earn at the same time, of course it's good one since it's free money after all.
The idea of sharing insights is fine, as long as you are talking to someone who can give you the right information and not just to tell you what to buy. There's a risk here if you will just follow their suggestions or insights, to avoid being trap into any project its advisable to do your own research as well and with this, you can learn faster.