Find a profitable niche. Starting with your interests, write down as many niche ideas as you can. Think about topics people might search online. Ideas include passions (like surfing or body building), fears (like spiders or speaking in front of crowds) and problems (like getting out of debt). Do keyword research to see it others are interested in the topic. Find out if a domain name is available that matches the keyword 100 percent. 
Freelancing has always been a popular way to earn money online and the Internet has a plethora of options. There are several websites offering freelance tasks for people with varying skills. All you need to do is to create your account, browse through the listings, and apply for the task that suits you. Some websites may even require you to create a personal listing with the details of your skillset, so that interested clients can contact you directly. Outfiverr.com, upwork.com, freelancer.com, and worknhire.com are some websites that provide freelance jobs. You can earn anywhere between $5 and $100 through these websites.
Fiverr: Israeli-based Fivver was started in 2010 by Shal Wininger and Micha Kaufam. It's a great resource for selling just about any service online. You can offer gigs as low as $5 but also get paid much more for upgrades and add-ons. There are plenty of providers earning 6 figures on Fiverr so it's definitely a worthwhile cause for generating a healthy income. Just ensure that you provide some serious value.
Robert said he did an average of 4-6 of these gigs per year for a while depending on his schedule and the work involved. The best part is, he charged a flat rate that usually worked out to around $100 per hour. And remember, this was pay he was earning to advise people on the best ways to use social media tools like Facebook and Pinterest to grow their brands.