Interesting piece and while I’m all for diversifying your income and hedging (aka not putting all your eggs in one basket), I’d also like to hear your take on when you should look for something new.
The problem is that a lot of people like to jump from one thing to the next because the grass is always greener on the other side. By doing this they waste a lot of potential.
So in my opinion it’s crucial to ask yourself if you really have achieved what you could within the area or business you are operating in at the moment. Once you have reached that point you are well-advised to expand into other areas or businesses.