Ask questions. Upload a web page into which you've written a survey. Now this survey can be fielded in several ways. For example, you could mailing list import a script for a multi-choice drop-down menu-type survey into your web page. Or you can send out a pertinent question that asks each member for a specific example of what's holding them back.
With this type of question always ask them to be as specific as possible, because the more focused their answer is, the more you can tailor the answer you give them. Use Internet partner relationships. If you have a medium to large sized list, and I mean a list of at least say 1000 subscribers, other experts could be interested in offering your product to their list too - in exchange for you undertaking a similar favor for them.
Contact the experts who occupy the same niche as you. You should use this contact with them to your advantage and look to building future business relationships with them. In a nutshell, Yes they do. Membership sites can be a super easy mailing list way to make money online. Membership sites do not only create E-mail lists, they create a residual income stream that will last for months and if done correctly, years to come.