If you have a budget and are willing to pay for traffic, you might want to explore investing in Facebook Ads, Google Adwords, Bing Ads or any of the other networks you can buy traffic from. Their first advantage is a double-edged sword. You can literally start receiving traffic within minutes from starting a campaign. But once you stop running the campaign, the “traffic tap” stops.
For Pinterest you can just sign up, create an account and can start posting out images along with a link back to your website. One of the cool things about Pinterest is you don’t even need many followers to actually start getting traction. It all relies on how good your images look. You can see some of the images that I’ve posted out from my numerology site have gotten a lot of traction and I don’t even have that many followers on there:

If you want to help shape digital products in their early stages, joining an online focus group or answering survey questions is a great way to make extra money online. They don’t pay as much as some of the other options we’ve highlighted, but you can join groups on sites like Survey Junkie, Swagbucks, and IPSOS that pay out through Amazon gift cards, check, or PayPal. You’ll be asked to provide a bit of information about your demographics (age, location, etc…), but after that you can get going making money through surveys.
If you're serious about making money online, start a blog. Blogging is one of the easiest and most sustainable income sources. As long as the blog is setup the right way, in the right niche, with the right content targeted at the right audience, and the offer is complementary to the content, you could make a tremendous amount of passive income from a blog.

Set up the site. Choose a website building platform, such as WordPress, Joomla or Drupal. Next, choose a domain name and web hosting for your site. The domain name is your web address. Web hosting is a service that connects your site to the internet. Once you have your domain name and web hosting, go to the control panel of your hosting account and install your website platform. Design your website by choosing and installing a theme.[9]
Every year, hundreds of millions of documents are notarized in the United States: wills, mortgages, citizenship forms, handgun applications. While for decades, this has all been done in person, there is a budding crop of sites that allow notaries to take their services online. If you’re already a notary, you can sell your services online. Or, if you want to get started, check out the National Notary’s checklist for becoming a certified notary.
Cafe Press: This website allows you to create digital designs that can then be sold on the platform. You'll earn a commission for everything that sells and you'll never have to deal with logistics like printing, warehousing and customer service. If you have some graphic design skills, then this is a great potential source for your web-based income. 
With drop shipping, you’re effectively partnering with a manufacturer or wholesaler to sell their products. This way, you don’t pay upfront costs to buy inventory, aren’t sitting on unsold items taking up expensive warehouse space, and don’t have to deal with shipping the products yourself. You simply create your site, fill it with drop shippable products, and drive in customers, with almost everything else done for you.
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