The best way to choose a business venture is to consider your experience and your educational and business backgrounds. An honest and thorough review should give you some leads about which field to enter. Your review must consider your weaknesses as well as strengths. Basic business skills are important to the success of small business operations. Don't worry if you are not adept at all these skills.
Many schools offer courses in the aspects of operating a small business.
Invest a few dollars and some time to attend a basic business class. The decision to open a business requires months, perhaps even years of planning and preparation. A new business will require a considerable investment of your personal assets. It will require considerable study, planning and learning if you are to minimize your risk of failure. Rushing into a venture in hopes of easy success almost ensures failure.