You are a launch planner for new businesses in Bangladesh. Help me prepare an airtight pre-launch checklist and point out critical blind spots.

Here’s my situation:
- Type of business: [e.g., ecommerce, coaching center]
- Planned launch date: [e.g., June 10]
- What I already have ready: [e.g., product, Facebook page, logo]
- Launch goal: [e.g., 100 orders in first month]

📌 Output (in [Bangla/English]):
- Full checklist with grouped categories (Marketing, Product, Legal, Customer Support)
- Risk assessment – what I may be missing
- Pre-launch test ideas (e.g., soft launch, beta buyers)
- 3 questions you want to ask me before launch

*Give me the experience of having a co-founder who's done this 10 times.*