You may try these stuff: How to find cheap AdWords keywords?? If you want to find cheap AdWords keywords, you need to go after those that have high Click Through Rate. This means to look for those that people want to click, but not many advertisers offer. The golden rule here is to find a niche. Ok, enough theory about cheap AdWords keywords, now let's demonstrate something more usable. Method to find cheap AdWords keywords This method is very easy. The performance of this method depends on whether you test with image or text based ads, and it also depends greatly on your keywords or ad targeting. First, make a few ad units. Image ads work usually better than text ads. Second, create a new Google AdWords campaign. Third, now import relevant keywords into the new adgroup. For this method to work, the more keywords you import, the better. If you can import several thousands of keywords, you should get better results. Fourth, set your maximum bid to some very low value such as 5 cents. You can experiment with raising the bid to higher amounts later. Fifth, save the campaign. After saving your AdWords campaign, most of your keywords will be marked as inactive because your bids are so low. But that does not matter. Going through a few iterations with your bids you will be able to narrow your search down to a group of cheap AdWords.
During the selection of keywords what will be the standard words limit value for keyword monthly and globally search.