While there aren't tons of bakery items in the under-$5 range, there is one you shouldn't skip. Just one baguette is about $5 at most bakeries. At Costco, you get two for $4.99. Insider tip: Many ...

I also buy frozen mixed vegetables and broccoli. Almost all of Costco's frozen produce is organic, too, if that matters to you. I discovered that I eat more fish when I have it in my freezer.