Some good tips but pretty basic - if you don't know anything about AdWords and you're running ads then take a look. On that note, the #1 dumbest thing I've see

Some good tips but pretty basic - if you don't know anything about AdWords and you're running ads then take a look. On that note, the #1 dumbest thing I've seen wasting money on AdWords is running an ad for a local business across the whole world. Oops :)