Final answer:
Entrepreneurs start businesses because they expect to be profitable and add to their wealth. They are willing to take risks and invest their own money in their business ventures.
Step-by-step explanation:
Entrepreneurs start businesses because they expect to be profitable and add to their wealth. They are willing to take risks and invest their own money in their business ventures. Additionally, entrepreneurs often have better information about their own abilities and the potential success of their business than anyone else. Angel investors and venture capitalists may also provide funding and advice to help overcome the imperfect information in the early stages of a startup.