of course it needs to be premeditated at first.
Exactly planning is the first thing that one should do. All the things should be consider including the possible adjustments. Thinking ahead of the possibilities will let you overcome the possibilities of the challenges ahead. One must not forget that planning is one of the vital part of the success to start a business.
Before starting a business the first thing to consider is what line of business you're going to take. Your business should offer the daily needs of people. With this idea, its a sure thing that you won't loss on your business.
Well there are business too that was able to emerge and done without being carefully chose from. These are the opportunity that one was able to grab and then nurture to become more establish in the near future. I do know some of the successful entrepreneur.
Have you heard about the story of a man without email? He was indeed successful and it was not his choice what to become but instead he just grab the opportunity due to financial difficulties.