I'm thinking about "less to do" (linking-social media) sites with physical products … Amazon and other merchants. And adding a PPC campaign instead of using social media and constantly toiling away building links and writing articles. Is there an easy way to get sites like this to rank while profiting with some paid traffic? Your opinion on this dilemma .. SEO vs PAID traffic or both would be much appreciated.
Good question, for most directories I use they ask for mobile number to send a message of verification, for the ones which phone you for verification inform the company before hand to tell their customer service people to be ready. I know the bigger the company the more tricky these things get you just have to find out what works best to answer the calls even if they give you a direct number to use. 
So, closely monitor and analyze all yours, and your competitor’s social marketing activities. Find the kind of posts your followers and target audience find interesting by analyzing social channels, campaigns and posts.  Figure out what works best for your brand in a given scenario. Based on the inputs you gain from analyzing your social channels, craft the social media marketing strategies for your company.
At our agency, we work with sites of varying sizes, from very large to quite small, and recently, we have noticed a trend at the enterprise level. These sites aren’t relying as much on Google for traffic any more. Not only are they not relying on Google traffic, but also, the sites are getting less than 10 percent (or slightly more) of their organic traffic from the search giant.
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