Similarly, Black Friday tends to be a madhouse at popular retailers, so it's a day I usually try to stay out of stores. But crowds aren't my only issue with Black Friday. I also don't like the fact that many of the so-called deals you see advertised are nothing but a giant dupe.

Planning to do some holiday shopping on Thanksgiving? Read on for a few select online-only buys this Turkey Day at Costco.

The retailer's official holiday shopping event will run from Nov. 29 to Dec. 2. Here's what shoppers need to know for saving big now.