I think this is fantastic advice - if I were to sum up everything I've learned over the past year and a half of running a venture backed startup, it'd look a lot like this.
I couldn't possibly agree with the 4th point "Stay Focused. Stay Focused. Stay Focused." more. I constantly find myself chasing new shiny objects (aka business opportunities) that seem like a good idea at the time, but usually turn out to be huge time sinks and take me away from focusing on our core service.
I'm battling the same issue. I've gone down errant paths too many times now. I've just recently switched back into my main startup focus and have been trying my best to just write down my random ideas in a notebook and putting it away from me once I've exhausted all of the details of the idea.
Maybe one day I can get to that notebook and build out one of the side projects...
