Best Buy is starting a new ticket system. Once you're in line, before the store opens, they will hand out tickets for the items you want. It's a guaranteed get.

“We only have certain quantities of our deals,” explains a Best Buy spokesman, “We're going to be distributing tickets for items. As you line up outside, we will be asking what items you’re in line for, we will give you a ticket that allows you to claim the item, so you will not walk out of the store without the item you came for, it's a guarantee.”

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MORE SHOPPING TIPS: 

Do your homework! There are lots of websites out there that can help you figure out what’s on sale and when. For example, Black Friday.com and CR.org give you updates on which stores are having sales. And you don’t have to go store by store to look for deals. Use websites and apps like Shopzilla, Google Shopping, and PriceGrabber to help you comparison shop.

Don’t forget to get social. If you like particular brands or retailers, make sure you follow them on Twitter, Facebook, and Instagram. That’s where they’re going to be advertising their latest sales.

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Finally, create a budget and stick to it. Yes, this sounds simple. But big sales and Doorbuster specials are designed to get you into a store or shopping online so that retailers can sell you all those other items you weren’t intending to buy.

CR says if you find an online deal, put it into your cart immediately. You typically have 15 minutes to check out, so compare prices elsewhere before you complete your purchase.

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