You can guarantee a good and usually impressive response to your direct response marketing letters and adverts by testing. There are different tests you can use, but it is important to test within your means.

In this article you discover what and how to test, so you know EXACTLY what is -- and what isn't -- working for you.

Test your headlines, content, offer and response mechanism.

Send your letter to a small portion of your database.

Monitor the response you get. Test another version with a small number of contacts again and check that result. Then, when you have created the most responsive letter send it out to the rest of your list.

If you don