The Right Way To Use Adwords Broad Match
Google makes it very easy to spend a lot of money on PPC ads. Too easy, in my opinion. One example of how they do this is they make the default match type for new keywords "broad match." This means that your ads will not only show when people type in your keyword, but also when someone types something that Google thinks is close to it. Sometimes Google gets it right, which is great. Sometimes they are way off, and you end up spending money for someone searching for somet