One of the big stand-outs for me is that companies that are very successful in the long run change one major thing at a time. Changing one major thing is a risk, but one that can be dealt with and absorbed with a sufficiently strong cushion around the thing that is changing. If you change more than one thing at the time your cushion becomes very thin and any complex interplay between the various moving parts has the effect of exposing the world to the fact that you are changing many things at once and can not cope with the rate of change internally. Changing three major things at once is simply a gamble. It may pay off but there is a near certainty that you will damage the brand and there is a good chance you will mortally wound the company. I really hope that Musks bets will pay off but it is looking awful scary right now.