Successful email marketing requires a solid opt-in list building strategy to insure effective response rates and growth. Getting people to willingly fill-out a form and provide you with relevant personal information can be a challenge. This report provides proven strategies and tactics for opt-in list building, how to estimate potential list size, and what words are best to use when designing a form or data capture card. Based on over 13 years of experience compiling lists that work, this is one document you'll want to read before you start building your list or simply to improve your existing collection efforts. So just how big do you think your email list can be?