you offer three products to five types of customers who each need their own variation of that product, you are delivering fifteen products. Better said, you are offering fifteen product variations, and for each one to be remarkable, you must get all fifteen right. That is fifteen areas of potential problems. And what if each product variation were made from ten parts? Now we have fifteen products times ten parts. That is 150 potential problems. Doing more things is the best way to grow a company? Don’t get me started.