From the bottomless collection of “freebies” the Internet is slowly turning into a global marketplace intellectual property.
So, some 5-10 years ago, it was inconceivable that the services of a paid subscription to the Internet would have at least some popularity. Now nobody considers it shameful for a nominal fee to connect a monthly access to music on Vkontakte and Yandex.Music.
Same goes for paid access to information. Now no surprise that for the particular material (whether text, diagrams, pieces of code etc.) will have to fork out.
You can also engage in the sale of products of intellectual labor. The main thing – do not violate copyrights.
Here, for information, selection of services sales files:
Read the FAQs of these services. There will detail how to sell files online.
Don’t thank for the idea.