Act as a seasoned sales automation specialist with 5+ years of experience in chatbot implementation for B2B lead generation. Teach me how to effectively use chatbots to qualify leads by explaining [THREE KEY STRATEGIES] for setting up qualification flows, [TWO COMMON MISTAKES] to avoid when programming response logic, and how to integrate with [YOUR CRM SYSTEM] for seamless lead handoff. Include specific examples of qualifying questions that work best for [YOUR INDUSTRY] and how to score leads based on their chatbot interactions. Provide a step-by-step framework for setting up a new qualification chatbot from scratch.