Keywords for My First Ever PPC Campaign

I am totally new to marketing but have been educating myself with advanced google adwords by Brad Geddes. I now have a better understanding but obviously i still have so much to learn and experience.
I have decided to start out using Microsoft Adcentre only for now with a very very small budget as i am learning. This way i wont be burning money and as i improve i will just re-invest the profits to my PPC campaign.
This question is regarding keywords. At the moment i have around 100 keywords which are mostly longtail and are very specific which i’m happy about. They have been live now over 2 weeks and i still havnt received any impressions never mind clicks. Is 100 keywords too little? I am comfortable creating more longtail keywords but i am not sure what is too many and if i should just stick it out with the […]

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