The internet has become an invaluable marketing tool for virtually any product or service, so much so that many people first make the decision to start an online business, then consider what items to offer for sale. There are a number of approaches that can be considered, and the options are not limited to offering merchandise alone.
Merchants who choose to sell a selection of products use their website as an online catalog and order-taking center. Software, books and music top the list of most widely purchased products through online venues.