Concrete-operational stage: In psychology, the concrete-operational stage is one of the stages of the Piaget's cognitive developmental theory, and is considered to be as the third stage.The stage begins at the age of seven years and lasts through the age of eleven years. This stage is distinguished by the development of logical thoughts.
At first you must be sure that your business will produce a profit so you should check the market of the supply and demand and make sure that you won't fold up. Also your business have to bring you joy and pleasure. You should like what you do - it is the main point. If you don't like what you do it will never work properly.
