The following is taken from Get Paid University.

Another reason I have a newsletter is it gives you an instant market for your product. This is so critical. I told a friend of mine who’s an investment banker years ago, I said, “I’ve got this great idea! I want to sell it in the market place,” and he said, “Yeah, but what’s your distribution?” I said, “What do you mean?” He said, “How do you get it out to the public?” I said, “I don’t know yet.” He said, “Well, that’s where the real money is because you might have a great product but you need distribution. You got to get access to the customers. So whoever has access to the customers is going to charge a fortune because without them, you can’t sell it.” When you have a newsletter, you have distribution. You can now reach your customers. As I said, I had a newsletter before I even launched my first product. I got it up to so many thousand people, built it for three years, and made a few thousand dollars with the first product because I had an instant market for my product.