Sell Things You No Longer NeedAre things that you no longer need or use cluttering up your home? Then, turn them into cash. Sell any items of value on Ebay, in the newpaper classifieds or at a consignment store. Then, have a yard sale to sell the rest.
Get Paid for Your Time Online
Did you know that there are companies that will pay you to read e-mails, to do web searches and to complete other online activities? It's true. Sign up with several of them, and get paid for the time that you spend online. Check out Volition.com for a list of companies to consider.
Test WebsitesWebsite owners need help spotting the flaws in their site navigation, and they're willing to pay for it. Become a tester for usertesting.com, and you'll earn $10 for each site that you agree to test, $15 for each mobile app. Each review requires a brief 15-minute video of you navigating the site and a short questionnaire.
Complete Simple Tasks for BusinessesUse small chunks of free time to knock out a quick assignment for a business. Amazon Mechanical Turk has a list of one-time jobs research projects, product reviews, transcriptions, etc. that pay immediately upon acceptance of your work.
Have Your Car Wrapped
Do you spend a lot of time on the road? Then, consider turning your car into a rolling billboard. Many companies big and small are willing to pay to have your car "wrapped" with their advertisements.
Get Paid to Take Surveys
Turn your opinions into cash by answering online surveys. Just sign up with several survey sites, and wait for the survey invitations to roll in.
Earn Money from Hobbies
Hobbies usually cost money, but that doesn't have to be the case. Find ways to turn your favorite pasttime into a source of income, and enjoy playing for profit.
Bank for Profit
Many banks on and offline offer cash incentives for opening a new account (anywhere from $25 to over $100). Take advantage of these offers, and turn banking into a more lucrative experience.
Have knowledge that you'd like to share with the world? Then set up a blog, and put in the work to monetize it.
Get a Paper Route
Paper routes aren't just for kids with bicycles any more. If you have a reliable vehicle and a need or desire to boost your income by several hundred dollars a week, a newspaper route could be the answer. Talk to your local newspaper to find out what routes they have available in the area.