Preparation of an electronic product and sell it to the network

This is an important means of profit from the Internet,,,,  the positives point of  network that there are people who  looking for products  and cares for purchase...And electronic- product- is the most important of what is sold on the Internet - software, books, lessons,,,,,,,
There is another positive, it can not one of us to prepare a product, how does it do?

They are Two solution:
1- sell the product while giving the buyer the right to re-sell at any price he wants. 
2- A system to participate....And recently the idea of boutiques ready on the net