Why do you have to really understand business environment before setting a plan ?

analysis of  industry,  competition,  market in which our business will grow is essential to the development of a robust business plan. 

Your analysis will show that you have choose a real opportunity that solves a real customer problem or needs . 

The result of the analysis will 

• Give you  a thorough understanding of the business environment
• Guidance in developing an effecient  marketing plan
• To convince readers of your business plan of the real potential of your business .

The purpose of the business environment analysis is to show the unique concept will you offer the customer that will induce them to purchase your product rather than your competitors

If you start by clear study of the business environment you will show competitive edge clearly over competitors