How Can I Make Money in PPC Advertising
When my CPC is SO HIGH???

Any experienced PPC advertiser comes across this question sooner or later, and the answer to this question is RELEVANCE!
As your ads will be more relevant to what the user is searching for, he is more likely to find interest in it and click it and later convert to a sale – I cannot say it enough times, write on your wall the holy trinity of PPC :

The Holy Trinity of PPC Advertising:

Long tail keywords to keep our users happy
Long tail keywords are a type of keyword phrase that has at least three, and some times as many as five words in the phrase. Wisely implementing long tail keywords in your campaign will result with ads that are extremely relevant to the user search – and that helps keep the users happy! Since Google best interest is to give users relevant ads and content to their search, A great well-implemented long tail keyword campaign will always get great Quality Score and therefore will have very low CPC and higher ad position.  Ads that are In higher position always get more clicks and as your CTR rises… your CPC get’s lower again! This behavior is the magic cycle of a good PPC campaign:

“The Magic Cycle Of a Good PPC Campaign”

What Is a Long Tail Keyword Campaign?
Quick quiz : Joe from NY searches for Low Price HP Laptop, which ad title will be most appealing to him?

A) Cheap Computers
B) Cheap Laptops
C) Cheap HP Laptops
D) Low Price HP Laptops

Well, when asking the question like that the answer is obvious, right? "Low Price HP Laptops" is the most appealing ad title because we used the exact same terms Joe was looking for. Joe might have different meaning for the words "cheap" and "low price", and he is not looking for a computer - he's looking for a laptop. An HP laptop.
And the same goes for the rest of the ad, and to the landing page.
And the difference is huge... using long tail keywords in your campaign will result in many cases with a two digit CTR!
Just imagine what such CTR does to your CPC costs...

A good long tail keyword campaign will be built in a way that each of our keywords will have the ad as close as possible to what the user is looking for.
This can be done manually by using excel or other manual methods, it can be partially automated using the Free Adwords Generator Tool on this site, or fully automated using more advanced tools .

To conclude,
Using long tail keywords can drop your CPC costs to the floor, significantly improve Quality Score and CTR and push your campaign up to the next level.

Good Luck!