Invest your time. For example, you might like having free time, so you give yourself a few hours a day to do nothing. But if you were to invest those few hours into getting rich, you could work towards having 20 years of free time (24 hours a day!) with early retirement. What can you give up now in exchange for being rich later? Investment advisor Dave Ramsey likes to tell his radio audience, "Live like no one else today so that you can live like no one else tomorrow."

6. IZEA – IZEA works in addition to a blog or on its own. You get paid to blog, tweet, take photos and take videos. The pay is mostly based on your following, so if you want to make money with your tweets, you’ll need to grow you Twitter following.  Likewise, if you want to make money with blogs, you’ll need substantial blog traffic (more on blogging below).
Buy and sell domain names. If you’re good at finding popular yet undiscovered domain names, you can make some cash on the side by buying and reselling websites. Think of it as digital real estate speculation. Domains are available on for as little as $2.99 per year, but are sometimes resold at far higher prices: According to Business Insider, the site sold for $1.2 million dollars in 2014. Once you find the perfect domain name to resell, you can market it on for a flat fee.