Creating your business plan at the beginning will help you guide your vision and direct you to achieve your goal more conveniently.
Know your target market, it is a specific group of people that your company has created services and products for. Customer satisfaction should be your key.
For Business the basic concepts to be known are:
You provide what people need or what people think will benefit them even its not and obligatory thing.
Secondly, you take capital form those who have and utilize it for your profit. Give a share of profit to the investor.
You must have a good and grabbing concept so that the investor will believe in your ideas and invest and therefore you have an investor.
You can never prepare enough when you do go out and start your business all you can do is prepare the best you can. Constantly reviewing your business plan and evaluating how you are executing can help you see if you are on the path you intend to be on and weather that path is the correct path.
Best of luck