Are you using Adwords Editor? If not, I highly recommend you download this free Google desktop application to manage your Adwords campaigns.
I use it on a daily basis with all of my Adwords clients.
Here’s the link to download this software:
It’s exceptionally good if you have a large account and need to make bulk changes such as updating, copying, adding or deleting keywords. Work that would take several hours to do online, only takes a fraction of the time s using this application. It’s great for making a large number of changes quickly, especially where you have multiple campaigns.
Once you have downloaded your account you can use its powerful editing functionality to make many changes, on completion these can be uploaded to Adwords.
It can be time consuming copying various Adwords elements across campaigns and thus it is beneficial to let Adwords Editor do the heavy lifting. Elements include campaign targeting settings like targeted locations and placements for display campaigns. Furthermore you can create customised views of your account for easier management. You can also export your whole account in CSV format.