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I tried to get a best guess for a yearly budget for a non-profit organisation.
I entered different maximal CPC values and depending on the maximal CPC I entered the cost for the very same amount of traffic was up to 6 times higher (with the same settings).
Why is the traffic estimator increasing the estimated range of the cost of a campaign? Why is it telling me that the estimated range of the cost is 6 times higher for the same traffice if I increase the maximum CPC I am willing to pay?
With a max. CPC of 100 I get
Average CPC ... Position..... Clicks ...... Cost
2,79 - 3,48 .... 1 - 3 ........ 158 - 197 . 450 - 690
With a max. CPC of 4 (still above the average CPC mentioned above) I get
Average CPC . Position .. Clicks ..... Cost
2,03 - 3,04 .. 1 - 3 ...... 121 - 152 . 250 - 470
Those figures don't seem to make sense.
[edited by: Marketing_C at 1:41 pm (utc) on Jan. 22, 2007]