You can earn some extra income at home by running an ebay store and doing drop shipping, or create your own store using shopify. You can also write content for do other freelance work for other people through freelancer.
Hubpages is another way to earn some extra income if you're good at writing articles that will pay good and are helpful to other people.
You can also create your own blog or website and write stellar content for your own blog and in time you can earn money through various ways such as Adsense, Media.net, E books, affiliate programs etc.