Article marketing is one of the most effective ways to build your list. Even though it's free when it comes to spending money, you have to provide your future subscribers with real content, content that will actually solve their problems and fulfill their needs. You can either write articles yourself, or pay someone to do it. Websites such as Ezine articles allows you to upload your articles in plain tech. However, 2.0 sites, such as Hubpages or Squidoo provide much more options in terms of customization and graphic backup.
Advertising your email list on websites other than your own site can be a great way to grow your email list. In fact, it can often be more profitable than simply advertising your website. If you can give users a compelling reason to sign up for your email (such as free offers or discount codes), it is a much lower barrier to entry for most people to sign up for an email list than to make an initial purchase. Just be sure that you understand how much you can afford to spend per email address and that you have a plan in place to identify which emails came from which advertising sources.
You can use this strategy to your advantage and increase your email list by giving people an incentive in return for their email. The giveaway could be free access to an e-book, a report, a gift hamper, or perhaps a lucky draw where people enter their emails and get a chance to win. A tantalizing offer is all you need for people to comply. For example: