The entrepreneurs succeeding up here are using the Five Facets of Sustainable Entrepreneurship, which I will discuss in-depth in Redesign: Becoming a Happy, Healthy, and Successful Entrepreneur and posts on this website.
In brief, they are as follows:
You might first approach the Five Facets as a model, but you soon discover it's a way of life. Every facet is interdependent, and they shift in priority according to the moment's needs.
For example, during the initial phase of your entrepreneurial life, the Resources facet is critical because money is one of your most essential resources. When you land those finances, you'll often focus on the Team facet because you need to hire great people to execute at the highest level. But for a third-generation family business, money might not be an issue, but building an innovative team spirit might be critical.