Power of the internet is communication.
Communication is very powerful and with the internet it is very easy. Worldwide system connecting everyone with a computer together. The market place where you can buy things is not just where you can drive any more but worldwide with this communication media.
Now with being a seller your store is your web cite. No longer are you limited by your community. Anyone that knows about your web cite is now your possible customer. With the internet you are bringing in money from outside your community. It will work for you 24 hours a day. Showing products and selling them even when your sleeping. Yes you could be in a hospital bed and your internet business is still running and working for you. Michael Force has set up a very nice guide to help you set up your own internet business. You can check out his great tools click here