Publishing a free newsletter is an effective and inexpensive marketing strategy with several business benefits. Here are some of those benefits:1. Increases salesProspects only become paying clients when they know, like, and trust your business. Publishing a free newsletter is a way of making your readers get more acquainted with your business. As a result, this will increase sales. You’ll find that when you convert your readers into paying clients, they’ll repeatedly buy more of your servic.