A niche simply mean a sub-market or a portion of a market. Whether you want to start a content site to earn AdSense income, get into affiliate marketing to promote other people product or start an online business to sell your own product or service, you must first find a profitable niche.
Only after you have decided the niche market you want to focus on, you will know what topic and content to write for, what affiliate programs to join or what product to concentrate on and then build the website to make money online.
So, identifying a profitable niche is the foundation. It is the essential step you must take to start making money on the Internet. Thus, you need to take time to learn about it. There are two good ebooks that can guide you in this topic. They are Niche Business Essentials & Niche Profit Blueprint written by Jean Philippe Schoeffel . These e-books contain a lot of tips and ideas on choosing profitable niches, marketing your website and generating income for your niche website.
You may download these e-books free at http://www.nichesinabox.com/2. The content and information of the books will definitely help you to succeed in making money online with niche marketing.