I need some suggestions and techniques about on bidding management. I didnt understnad api estimates of google adwords api. For example for a particular keyword it shows 1-3 position for $3 and it shows 4-6 postion for $4 for the same keyword . I didnt understand how to determine on which bid price i have to use to get wanted postion. I requested u please help me and give some suggestions to maintain the campaign effectively
