Are you good in something you can work with laptop? Are you in the online working community? Any web-development skill you have? Writing to developing, what you can do online?
UpWork is a platform for you! (old is Odesk)
You can make extra (handsome) income using Upwork, a online work-station for bright minded people.
You can join there, to get more money using your skills. Only you have to prove yourself by doing some easy tests. Yes! That tests are easy for skill holders. If you are newbie at something you whiling to offer on Up-work, you can learn that thing first.
Now read about "How We Can Earn Money Using Upwork " at our homes.