What are startups really about?

When I was 17 years old, I sold my first computer program, that feeling was amazing. I remember I used Visual Basic with an Access database to make it. The application was for an alternative medicine practitioner, like a journal and patient booking system. That feeling I got when I realized that someone was actually ready to pay me for doing my hobby was a game-changer for me and the start of my career. Later in life, I have tried to…