Catalin Zorzini at eCommerce Platforms wrote a great guide on creating a successful eCommerce business in 2015.  Below is the infographic or check out the article here: Creating a Successful Online Business in 2015 .

However, Catalin failed to mention developing a strong pay-per-click strategy on Google AdWords and Bing Ads.  Most of our clients are driving 50%+ of their business from PPC channels.  Furthermore, PPC can deliver a predictable, scalable revenue stream.