Act as a seasoned startup founder with 10 years of experience in launching successful products. Provide a step-by-step guide on how to build an effective waitlist for [PRODUCT NAME], ensuring it drives anticipation and maximizes conversions. Include details on choosing the right [PLATFORM] (e.g., email, landing page tools), crafting compelling [MESSAGING] that highlights exclusivity, and integrating social proof or testimonials to build trust. Explain how to use scarcity tactics (e.g., limited spots) and incentives (e.g., early access discounts) to boost sign-ups. Finally, outline post-waitlist strategies like drip campaigns to keep users engaged until launch. Tailor this advice for [TARGET AUDIENCE] to ensure relevance and impact.