• Feedback loops: Input from one stage go to the next one?
• Cannibalization
• Funnel stages: Behavior in one funnel behave differently in another?
• Product components and functionality: Impact of new functionality to other functionalities
• Incentives: Success in one part change behavior elsewhere
• UI components: Changes in one place
• Platforms: New functionality on mobile, desktop, API?
• Resource requirements: Will it cause scalability issues?
• Flexibility: Will this affect future decisions being easier or harder in the future?
• User life cycle: How will this change affect resources in the future i.e. free space to new users