Here are some helpful tips that can keep your subscribers subscribed to your opt-in list... 1. Use creativity in your promotional materials. Build around mailing list your product or service. For example, if you are selling home furnishings, insert some pictures of what is new in the house furnishing industry in your promotional mailings. 2. Keep one step ahead of your subscribers. Research what current new things people are looking for. This way, you stay one step ahead of your subscribers. They will look forward mailing list to receive your mailings as you always have fresh, new things and ideas to share with them. 3. Write informational and easily digestible articles. Ok, you don't like writing. Don't fret. There are professional writers that will do the job for you for a minimal fee. The initial investment may be worthwhile. For it could lead to more sign-ups and potential sales. 4. Write an ebook that is related to your niche mailing list and give it away free to your subscribers. Use your experience and expertise to help other people. Reports, how to do it manuals and guides are hot. Encourage your subscribers to give away your ebook as long as they don't change the original content and keep all links intact.