If you are currently running Product Listing Ads (PLA) in AdWords, be aware that there is a new campaign type that is more powerful and allows you greater control available in your AdWords control panel called Google Shopping.
PLA programs won’t be rolled over automatically, so I recommend that you create a new Google Shopping campaign and then pause your old PLA program. However before you do that, you’ll want to update your Google Merchant data feed with a new column called custom labels.
At first I though that in the custom label field you could simply add your descriptor, but this is not how it works. So, here’s my recommendation.
1. You can have five custom labels. Decide how you want to sort your products as you will be able to bid on them separately with this approach. For example in your data feed you may call all bucket pallet fork products custom label 0, all manure fork products custom label 1, and all high profit items custom label 2 and so on.
2. Set up your Google Shopping campaign. In the new Product Groups tab, select the plus next to all “all products” to create sub categories and then select your custom label number. Then bid separately based on your needs for each of your custom labels.
3. This action gives you far greater control over what is shown in Google Shopping ads and greater control over your return on investment.
Here’s a great video from Google that helps clarify just what Google Shopping is and more screen shots on custom labels.
You can also watch the video here http://youtu.be/ivsyPeYeyqs