Opinions expressed by Entrepreneur contributors are their own. On this episode of The Playbook , serial entrepreneur Carlos Reyes shares his insights on: The story of how he created a door-to-door sales business at age five while living in Mexico [5:03]. How adversity led Carlos to use entrepreneurship as a means of survival [8:12]. Why his biggest key to building a fruitful business relationship is looking to be of service first [15:16].
