Personally PPC is a great tool that I use in my marketing efforts. I like the fact that I can set up a campaign in less than 10 minutes and have it generating me leads almost instantly. Anyone else agree or disagree?

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so for what you posted this for ?., For your signature link .,

The best way to optimize an adword campaign is to
Have themed campaigns which contains several themed adgroups.,
Usually you have to start with high PPC and then reduce it gradually every week based on the Average CPC that a adgroup gets., By this method, your rotation wont get affected ., For this you should also have good adwords content with effective Call to action phrases (though the words, best and some other words are not allowed to be used).