What happens when links go bad over time, either because a Web site has shut down or a site has stopped supporting a unique landing page provided in an email promotion.

3 Quick And Easy Ways To Build A Profitable Opt-In List
You finally realize that you need a good opt-in list. After reading countless articles and sought expert advices and have read many success stories of people creating a small fortune with opt-in lists you finally decide to have one of your own.