Setting up a pay per click campaign can be relatively easy, but creating a great one requires a lot of skill and experience. One of the main things you need to do is research. You need to find out what people type in to visitor your site and if those are the type of people that buy from you.
You will need to analyse the traffic to your site in some depth to understand this and it is advised that you employ a specialist web marketing company to assist you with this as they often have software that can find out this information quickly. Once you have a list of keywords you then need to decide which ones you are going to target depending on how much budget you have available.
One of the most important tasks that you need to do once you campaign is up and running is to check back in to the statistics of the campaign to see what sort of results you are getting as you may need to do some further optimisation on it to get it performing well.