The problem with taking advice from successful people is that their experience, like everyone’s, is a sample size of one. You can’t always be sure if a particular executive was smart or lucky based on just one company, or one career. This is why James Altucher who has run 20 companies and writes for WSJ, Techcrunch, Forbes and Seeking Alpha may be worth listening to. Check out his short recap of what he did (and wishes he hadn’t done) and find out why Most Leadership Advice Is Useless. Here’s What I Really Learned in Running 20 Companies