First of all you need to understand yourself about your knowledge, expertise, area of awareness etc. Then you should take decision about starting a business. Because of now days a lots of entrepreneur in the world who is not getting continue their business one year because of lack of their knowledge lack of best planning before starting a new business so, you needs to do the best plan before starting a business that means which business you have good knowledge that business you should start and also should get advise from business experts.