If you own any kind of website, whether it be for service, information, membership or eCommerce you know the difference between organic traffic and paid traffic. What is that?
Organic traffic is when someone visits your site on their own. Simple.
Paid traffic encompasses a few audience types, what can be a little confusing is
the you can also get organic traffic through paid traffic. Paid traffic is when you purchase ad space, pay for a campaign or directly pay for page views. Easy, fast paid traffic usually looks like someone getting paid a few cents per website they look at and stay on for "x" amount of time. Paid traffic that will actually help your online business grow will not be fast, but can be easy. Running ads in front of people who are interested in your product will generate traffic, the organic kind, and so long as your audience is interested in your service or product you will eventually get a conversion.
Now, you just need to figure out how much does it cost to attain a customer, and how much value does that customer add?