There are many services already that are similar to Google Offers, like Groupon and Living Social, so we kind of already know what to expect. The deals will most likely be for something that you weren't going to buy in the first place, but now that it's 50% off, you might.
An example given by former Google CEO Eric Schmidt's announcement of the offers service is pictured below, and shows a certain coffee shop, which is offering $10 worth of drinks for only $5. Although you probably won't find those kinds of deals for a Starbucks, it still may save you a bit of money.
Although I am living in Denver, Colorado, I signed up for the Portland, Oregon offers, but have not yet gotten any deals. Look for an update to this post when I get my first deal.
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