Forum Moderators: buckworks
Try word tracker to see how many searches are on your key words for the site. That will give you a better idea of your market.
You can make this specific as the searches will be local
eg:
buy widget southampton
buy widget edinburgh
People looking to buy cars will not travel the length of the country unless it is a really good deal.
Also you can target brands & models
buy 4x4 edinburgh