Deals

I was at the store yesterday, Albertson's it's called. They have this deal called the 10 for $10. Now I only had $10 left in my allotment for food for the month, so I thought this would be perfect. I could get ten things that all looked like they could give me at least a day in meals, and I'd make it through (especially since I already have a ton of food at home).
I bee-lined to the soup area, since I've been craving something hot with all this cold weather we've been starting to have, and I looked through the different kinds of Campbell's that were on this sale. As I was browsing, I noticed that there were other soups, store brands, that weren't on sale, but they were $.69 and .$88 each. I didn't take much note of them, because I was deal shopping... but then I realized that I wasn't actually deal shopping, I was just looking for things that looked like a deal. I had so programmed my brain to look for sales that anything without that *sale* tag must not be worth considering. I ended up ditching the 10 for $10, since that was actually pretty expensive compared to other things that I was finding, but it made me think. What else am I doing in life, what or who else am I overlooking because they don't have the "right tag"?