There are several character traits and work ethics that are common to successful entrepreneurs. Entrepreneurs are careful about money. They always know how much money they have. They know the value and cost of things so they can recognize a real bargain. Most entrepreneurs earned money when they were teenagers babysitting, mowing lawns, delivering newspapers, sacking groceries, etc.
Entrepreneurs are competitive by nature.
Many were active in sports and other competitions in high school and college. Others were competitive in wanting to make good grades, earn the respect of their parents and teachers and achieve their goals. They sleep and eat enough to maintain their energy levels but they don't usually linger over nonproductive tasks. Entrepreneurs are risk-takers who trust their hunches and act on them. Taking risks can be small first steps, like placing your first ad in a mailorder publication.