The potential earnings from email marketing can vary widely based on several factors such as the size of your email list, the effectiveness of your campaigns, the products or services being promoted, and the strategy employed. To achieve success in email marketing, it is essential to have a well-crafted strategy, a targeted email list, and to continuously test and optimize your campaigns.

It's also important to keep in mind that building a strong email list, creating successful campaigns, and monitoring results takes time. Email marketing is not a short-term solution. It has the potential to be a powerful tool for generating sales and leads for your business, as well as increasing revenue.

It's also important to remember that email marketing is not limited to direct sales, it can also be used to generate leads, increase brand awareness, and engage with customers.