The success of a business comes down to two things: Execution and people, says serial entrepreneur David Marshall. Ideas might seem critical to some start-up owners, but they’re not as valuable as you think. Keeping them secret might seem essential, but in doing so, you could be closing doors on people who can help you. Also, no business plan is ever right, he says in this Perfect Business video segment discussing the essential qualities of a successful business. They’re a good jumping off point, but there’s no real way to accurately predict what the future holds.

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