Buy: Cheese
The cheese aisle at Costco is going to be heaven for anyone who loves cheese. There is a big variety, and the items are priced fairly. You can get enough cheese for a couple of dinner parties for less than $20!
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Skip: Signateur gas grill
Even though Costco offers its Signateur gas grill for half the price of a Weber grill, you should know that this product is not built very well. On top of that, it is a little hard to look for replacement parts.