Chang stresses that there are three key elements to starting a successful business: First, can you develop your core competency, whether it be gardening or baking cakes, to a level that others can't compete with? Second, how are your management skills? Can you manage costs?
張庭庭強調，創業至少需要 3 種能力：第一是核心專業，例如對蒔花養草、糕點烘培的興趣，是否能更深入發展成別人比不上的核心能力？