Build on the functionality of your ideas
Primarily, to start a business, you need to have a unique and functional idea or concept for the product or service that you plan to offer. Observe your environment and assess in what sectors you may be of help to bridge the gap and fulfil consumer requirements. Identify the consumer needs and inspire yourself to devise and offer viable solutions.
Put yourself in the shoes of the consumer and list down all the consumer needs and requirements. It is probable that you might be able to identify a section of the market which remained unexplored and you might bank on the opportunity to fill the gap.