One of the first rules that you need to learn if you think you are going to make money at email list advertising is that you need to truly know your customer. You need to learn what you can about their likes and dislikes, their spending habits and their budget. Knowing about their geographical location and their household income is also good information. How can you get to know the members of your email address database? Well, you can follow the spending trends, that is definitely one way in which you can obtain useful information. Here are a few important things that you should do to ensure that you know you email list customers: 1. Keep track of when your customers make a purchase from you. Keep track of how often it occurs and how much they spend. 2. Get feedback from your customers. This helps you understand why they choose your brand, which helps you retain them as a future customer and helps you continue to effectively market to them. When you can keep them as a member of your email marketing list, you will be able to get more profit from your list. 3. Keep tabs on what is said about your company online. This means that you should be monitoring social media by searching for your company name periodically to see if any posts or tweets appear that are relevant. If you stumble across negative comments, you can address them, and if you stumble upon positive comments, you can capitalize on this good advertising from the members of your email marketing list (or get a new member to join using the bulk email opt in). Keeping track of customer data such as the things mentioned above is important for the success of any email marketing list program. The home based business opportunity seeker who knows their customers well will be the most successful type. There are plenty of analytics that can help, and survey tools available to make email list marketing easier.