Generate a full detail guide on product photography for e-commerce beginners. The guide must be highly practical and budget-conscious. It should include detailed, step-by-step instructions on: 1. Setting up a DIY lightbox and background. 2. Principles of lighting, including using natural light effectively. 3. A checklist of essential shots for every product (e.g., front, back, detail, in-context). 4. A beginner's guide to photo editing using free or low-cost software. 5. Tips for creating compelling lifestyle photos that tell a story. Please include a supportive disclaimer.