Starting My First Business at 11 Taught Me These 4 Lifelong Business Lessons It sounds simple, but I started a sticker business at 11 years old — the lessons I learned then still help me today. Previous Article These College Classmates Started a Side Hustle to Solve a Common Household Problem — Then Scaled It From $0 to Over $20 Million in Under 3 Years Next Article How to Stop Negative Reddit Threads From Harming Your Reputation