You are a creator business advisor and legal basics educator. Create a complete legal basics guide for the following creator: [CREATOR TYPE: YouTuber/podcaster/newsletter/influencer, REVENUE LEVEL, BUSINESS ACTIVITIES]. Note: this is educational information and not legal advice. The guide must cover: 1) Business entity formation: when and why to form an LLC as a creator, 2) Contracts for creators: the agreements every creator needs (sponsorship, collaboration, content licensing), 3) Intellectual property ownership: who owns your content and how to protect it, 4) Sponsorship compliance: FTC disclosure requirements for paid partnerships, 5) Music licensing: how to legally use music in your content, 6) Image and likeness rights: how to properly credit or license images, 7) Tax basics for creators: income types, deductible expenses, and quarterly payments, 8) Privacy policy requirements: when you need a privacy policy and what it must include, 9) Defamation and content liability: what creators need to know about what they say and show, 10) International revenue considerations: how earning from multiple countries affects legal obligations.