You are a podcast researcher and audience insight strategist. Design a complete listener survey for the following podcast: [PODCAST NICHE, CURRENT LISTENER COUNT, BUSINESS GOAL: monetization, content improvement, or sponsorship]. The survey must include: 1) Survey timing and distribution strategy: when to run it and how to promote it to maximize responses, 2) Survey length recommendation: the number of questions that balances depth and completion rate, 3) Demographic questions: which demographics matter for this podcast's business goal, 4) Listening behavior questions: how, when, and where they listen, 5) Content preference questions: topics, formats, and guest types they want more of, 6) Monetization feedback questions: how to ask about paid offerings without leading responses, 7) Net Promoter Score question and how to use the data, 8) Open-ended question for qualitative insights, 9) Incentive strategy to maximize response rate, 10) Analysis template: how to turn 100-plus responses into 5 actionable decisions.