Your local public library system can offer a lot of information. This includes:
Find out how to get a Charlotte-Mecklenberg Public Library Card here.
NC Live is a great resource! It gives North Carolina residents free access to a variety of ebooks, audiobooks, videos, online magazines, newspapers, journals, and more. You can use NC Live through the North Carolina public library system by attaining a library card. NC Live covers a wide range of subjects:
You can also chat with a librarian through NC Live if you need more help finding information.
Looking for more scholarly information? Search for Open Access, free journal articles by using the Directory of Open Access Journals. You can access every article without paying a fee. Find a list of subject areas here.
Think about this when you publish! Try to make your own work open so that others can access it. Learn more here.
Some vendors offer free versions of the popular databases they sell to libraries. This version, however, will usually have less information or less full-text information (i.e. it will only enable you to find the citation you need. It might not provide a PDF or the full text) than the version you're used to using.