I think it highly depends upon how you're targeting and what kind of product your selling. I've got a friend who is using fb CPC for physical products (that inc

I think it highly depends upon how you're targeting and what kind of product your selling. I've got a friend who is using fb CPC for physical products (that includes a concierge service) and my jaw hit the floor when he told me the ROI. Admittedly, they have a pretty high revenue per customer, but my point stands that it depends on what you're selling.