It's all too easy to get caught up in the holiday shopping frenzy. Stores are blaring your favorite holiday tunes. Santa is camped out near the food court with a long line of kids waiting to take a photo. And retailers are trying their hardest to get you to spend by offering exclusive deals.

In fact, 165.3 million consumers are expected to shop in-store and online over the Thanksgiving holiday weekend alone, according to the National Retail Federation's Annual November Holiday Consumer Survey. The big draw? Deals too good to pass up on dozens of hot-ticket items, from TVs and smart home devices to digital cameras and kitchen appliances. However, die-hard bargain hunters know that if you plan ahead you can find even better deals on many of those same products at other times of the year.

Enlisting the help of several shopping experts, we identified 18 product categories that holiday shoppers should steer clear of, because they'll either be available for much less after the holidays or there's a strong chance the product might go unused. Take a look at the list of some of the worst things to buy during the holidays.

Jewelry

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A bit of bling might rank high on many people's holiday wish lists, but if you can put your plans to buy diamonds and other fine jewelry on ice, you're likely to find a better bargain later in the winter.

"Sales for quality jewelry peak in late January, after the holidays and a. "Jewelers and department stores have their biggest and best sales during this time."