If you're great at writing or art, you might be able to earn some money creating graphics and/or prose for greeting cards. This page has a huge list of 47 companies that are regularly seeking submissions from freelance writers and artists for the greeting cards they sell.
This is a MASSIVE list of more than 100 legitimate sites that pay you to work from home as a writer. With many of these, you can sign up and start earning money today -- even if you are a beginning writer.
If you're looking to supplement your income you can earn up to $35/hour as a freelance researcher with Wonder. This is a good opportunity if you’re looking for a part time work from home job and pay attention to detail. Here's everything you need to know to get started.