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Think of Your Startup as an Ecosystem that is sustainable and self perpetuating. Team focus should revolve around the idea of building a healthy ecosystem. The healthier your startup is, the less energy you'll have to invest on maintenance and growth. The easiest way to start building a healthier ecosystem is to treat the cause, not the symptom, when you run into a problem. For example, treating symptoms means you've got to create processes that require energy to respond to reoccurring triggers. The CS team should essentially be the part of the product team that helps users solve problems.