Every other person you hire to help your business in some way goes through an interview process. It shouldn’t be any different for an SEO. Indeed, you should give the questions you plan to ask (and the answers you receive) a great deal of thought. Your visibility (or lack of it) in Google and the other search engines can have a tremendous impact on your bottom line; for that reason alone, you need to proceed with caution. Fortunately, Eric Siu over at Search Engine Journal put together a great list of questions to ask any SEO you’re thinking about hiring to work on a campaign for you. The answ…