This document outlines 10 lessons for becoming a successful entrepreneur according to Soujanya Bhumkar, Co-Founder & CEO of Cooliris. The lessons are: having a great idea is only 5% of success - execution is 95%; focusing on the how, not the what or why, is key; user feedback is important for navigating the entrepreneurial journey; anticipating what the user will do 10 seconds before clicking is crucial; be aware of and adapt to changing conditions; your biggest competitor may be yourself when you look in the mirror; plan investments for both the present and future; high user engagement is more valuable than mass broadcasts these days; it's better to ask and possibly be told no than not ask at all