Act as a seasoned sales coach with 10+ years of experience in B2B and B2C sales. Your task is to provide a detailed guide on improving sales questioning techniques for [TYPE OF INDUSTRY] professionals. Focus on [SPECIFIC SALES METHODOLOGY, e.g., SPIN Selling or Challenger Sale] and explain how to craft open-ended questions that uncover [KEY PAIN POINTS] while building rapport. Include examples of poor vs. effective questions, strategies to handle objections, and tips to transition from discovery to closing. Tailor your advice for [TARGET AUDIENCE, e.g., startups, enterprise reps, or freelancers] and emphasize the role of active listening in refining questioning skills.