Any change that you make in AdWords will be adopted by WordWatch during the daily update.
They will automatically be imported in WW. You need to set a strategy and cpc for any new campaigns.
The WordWatch CPC/CPA varies from AdWords cpc values. WordWatch will keep your monthly campaign’s avg. CPC below the WordWatch CPC. However, a single keyword’s maximum avg. CPC can exceed WordWatch CPC.
This is the result of the way data is calculated when it is communicated via the API. There may be a slight difference between what is displayed on the WordWatch and AdWords interfaces. This should never be more than a couple of tenths of a percent and is simply the result of a slight imperfection in Google’s current API.