How to Build an Opt-in Email List
If you want to succeed at building an internet business online you need to build an opt-in email list. Whatever your situation, if you want to build relationships with your customers and increase your sales numbers at the same time, you should try to build an opt list.

How to Build an Opt-in List: Attract
The first step is to create a "squeeze page" -- a page with a free offer to get email addresses. Offer a high-quality freebie that's related to the reason you're building the list. For instance, if you're trying to build an opt email list of people interested in weight loss, you could offer some free diet meal plans in a PDF format. When they give you their email address and confirm it they opt-in to the list (that's why it's an opt-in email list), you sign them up to your list, you give value, and send you money.