Give it to them free!
There is a perennial fact of human nature that can help to make you a success in business — people love getting things that are free. The caveat is that what you are getting free needs to be something that is really and truly valuable. This is one of those Internet business ideas that if, develop properly, can help to take your business to the next level. The only requirements are to discover what your customers are truly interested in, and what would be helpful to them — and then develop a product or service that is of tremendous value, which you can offer to them for free. You will not be the loser in the end if you do this, because you will be building a relationship of trust that will serve as the foundation for future paid sales.