1. A Lot of the Big-ticket Deals Are Repeats This Year

Most of the sales this year are going to be identical to last year's sales. So if you want to do your research ahead of time, look up the deals back from 2014.

2. Not All Stores Are Created Equal

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Obviously, some stores will offer better deals than other stores. "JCPenney offered the biggest percentage discounts, followed by Kohl's and Stage. The worst were warehouse stores like Sam's Club and Costco."

3. Stores Try to Pump up the Discounts Using Sneaky Tricks

Some stores will bump the "original price" of items, so that the discounted price looks like a huge difference, and you think you're getting a better deal than you actually are. Don't let them trick you!

4. Brands Also Use Tricky Strategies to Make You Think Products Are New

Don't buy something cheap, just because the stores claims that it's new. Sometimes, "the products aren't anything new; sometimes they just simply change the model number, or take away a feature to make it cheaper."

5. You Might Have Already Missed out on Major Discounts

Some stores have started their sales before Black Friday this year. That means it might've been best for you to start your shopping beforehand.

What other Black Friday tips do you have for all of us big spenders?