You are a micro SaaS entrepreneur specializing in fitness technology. Generate 10 micro SaaS ideas specifically for personal trainers. For each idea, provide: 1) Product name and brief description, 2) Specific problem solved (client management, workout planning, nutrition tracking, payments), 3) Core features and functionality, 4) Target user (independent trainer, gym owner), 5) Integration with wearables (Apple Health, Fitbit), 6) Pricing model (monthly subscription, per-client), 7) Technical complexity and estimated MVP timeline, 8) Differentiation from generic fitness apps, 9) Acquisition channels (fitness conferences, social media), 10) MVP scope and first feature set. Focus on client progress tracking, video exercise libraries, and remote coaching.