"Follow your passion" is incomplete advice. Passion + market demand + skill = success. Love underwater basket weaving? Great. But if no one's buying...
Mistake 2: The Money Chase
Choosing solely based on income potential leads to burnout. You need sustainability, not just high hourly rates.
Mistake 3: The Skill Underestimation
"I'm not expert enough" keeps more people stuck than any other belief. You need to be one chapter ahead, not a PhD.
Mistake 4: The Complexity Addiction
Starting with the most complex version of your idea. Begin simple, add complexity as you grow.