Accept not the estimate by Google, but start Your bid with a price of 0.10 euros. Now set your daily budget. To invest too much money not just at the beginning, you should start with a relatively low daily budget of 5.00 10.00 euros. Later, if you are successful the campaign underway, you can increase your daily budget. This but be careful and not hasty Act. Now, write a second display for this keyword in this ad group. Change 2 words in display comparison with the text of your first ad up 1.
This approach called information-auch Splittesting, which ad is successful you very quickly. An ad is successful if more sales due to same or lower cost. Now, they have shut two ads. It is now to find the best price for your keyword. Do this once a day log in to your Google account and check the number of clicks and the costs incurred. You should check out this always at a fixed time, for example, 18:00 otherwise the statistics which displays Google, too much differ.
As long your daily budget is not exhausted, because there are not enough clicks, you raise the bid for your keyword daily at 0.05 euro. In this manner, proceed until you have reached your daily budget. Then lower the bid for your keyword on the next day at 0.01 euro. Proceed so long in this way until your daily budget is again been below. Now increase the bid for your keyword on the next day up 0.01 cents and now have the optimal price for your keyword determines. Now you should have also found, which of your two text ads has been successful. Pause the loser display and write a new ad, which must compete with the winners display.Keep in mind that you change the text ad 2 words only to maximum 1.