A robust e-mail marketing program can be a small business owner’s most affordable effective and affordable marketing tool. It allows you to have regular contact and build relationships with a group of people who are predisposed, by agreeing to have contact from you, to have interest in your products or services. It contains the key element of relevancy, which is the cornerstone of good marketing communication. By providing interesting, highly relevant, fresh content – which is more than simply advertising your wares or services – you can keep a list of customers and prospects interested and engaged with your brand for a very long time.