When you’re trying to figure out what you can send to people in exchange for their email address, give some thought to doing a newsletter. People in your niche might like the idea of opting in to your list in order to get more information from you, an expert, in this niche. Newsletters turn out to be a great vehicle for delivering information to your subscribers because not only can you give them quality tips and advice, you can also send promotions for your own products and affiliate products