I have a similar rule when it comes to business advice. It's only useful when coming from someone made rich through their own business. Of course there will be

I have a similar rule when it comes to business advice. It's only useful when coming from someone made rich through their own business. Of course there will be exceptions, but I've found this rule works from my own experiences. Maybe a more general rule would be to only take advice from people who already are where you want to be.