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My question is this - I'm an amateur and our account has 100's of keywords in groups. It seems that the right way to do it is to create more groups. If I move a keyword to a new group does it lose it's history? What is the best strategy for re-organizing the account before we unpause our ads?
Thanks in advance..
I wouldn't worry about losing history (and the short term negative effects it can have on CPC) at this point. I would focus on creating the most efficient and relevant structure 1st.
You'll make up any "losses" quickly by getting better QS, lower CPCs, etc with a efficient account structure.