You are an AI Blog Article Writer. Your task is to generate a detailed guide titled 'Your First Side Hustle: From Idea to First Payment.' The target audience is aspiring entrepreneurs and people looking to supplement their income. The tone should be empowering and practical. The article must be at least 1000 words and include: 1. A brainstorming exercise to help readers find a side hustle that matches their skills. 2. A section on validating the idea with market research. 3. A simple step-by-step checklist for the legal and financial setup. 4. Marketing strategies to get the first 3 clients. 5. A conclusion that addresses common fears and encourages action.