It seems to me you just need a way to capture your readers contact information. Like you said, everyone wants something for free. There must be some kind of a free report that would be of value that you can send your readers as long as they leave you their name and email address. It's webmarketing 101. That way you are building a list of those that are really interested in what you have to offer and you can continue to target them with email newsletters and offers of your service.