An opt-in list can be a very useful tool for generating web traffic and profit. Basically, an opt-in list allows you to promote your website and products to potential customers via email. Many successful websites use opt-in list to keep their subscribers updated about any promotions, new products or information.

Although some people loath promotional emails, good content like newsletters will be able to keep your visitors interested and guide them back to your site. Useful content like newsletters and articles can help your subscriber list to grow. With a huge subscriber list, it will not be difficult to generate income.

Below, let us explore 6 methods to make money using opt-in list.

1. You can earn income through advertisements place by other websites or companies. With a growing opt-in list, companies know they are reaching more subscribers when they advertise with you.
2. Sell information or e-books on your list to make money. Manuals or do-it-yourself articles are popular among readers. Lots of people are willing to spend money to gain knowledge about a topic they are interested in.
3. You could sell or promote products from other companies or website on consignment basis. Well-placed descriptions, pictures or articles about the products can encourage readers to purchase the items via your site. Once the orders are received, you could purchase from the company and sell it for a profit.
4. By collaborating with websites that have similar themes or products, you could also make money. Introduce their wares and insert a link to their site in your site. Some interested readers from your list will click on the links to know more. By directing some subscribers to their site, you can earn income for every click.
5. Expand your opt-in list by encouraging your subscribers to invite others to your site. When your list have good articles or content, the readers are more likely to share with others, hence promoting your site. As your build up your list, income via product sales, advertisement rates and click on links will increase.
6. As the content in your list gain credibility, subscribers will be willing to pay for reliable information they can trust. You could charge a premium for special articles and earn income.