If you didn't trouble yourself to think about it, you might think that the Internet is going to solve all of the world's problems by containing answers to every possible question whether research or recreational. The fact of the matter is, while the Internet can be a fun place to explore, it is a tool , useful when it is useful and useless the rest of the time. However, it is of no use to you when you need to know your congressperson's telephone number, want to find an article about health issues, or find gardening tips, among numerous other possible needs you might have. You probably never will in your lifetime either. There is simply too much information out there to have it all transferred to an electronic format.
Costs can be astronomical.
Governments and private companies restrict information that they make available to the public. Therefore, everything is not on the Internet. Use the Internet as a resource, not the resource. On the other hand, there may not be anything, or enough, or information that you don't know the source of on the Internet. Go through How to Evaluate a Web Page for each site you consider using for a paper.