this x100 - "IF you know what you're doing." when everything works and its areasonable success, it looks so easy - but getting all the different people talking

this x100 - "IF you know what you're doing." when everything works and its areasonable success, it looks so easy - but getting all the different people talking to each other and building a product that a customer would pay to use is quite a challenge regardless of your product cost base (which anyways for the proper proudct market fit is a very small fraction compared to the revenues)