Labor Day sales are kicking off, offering a prime opportunity to save on big-ticket items. But how do you know which deals are actually worth your hard-earned cash?

We asked Jessica Teich, the director of editorial commerce and product reviews at Good Housekeeping .

"We test thousands of products, and our lab testing experts find the best products to buy, and then our deal-finding experts find the best time to buy them," Teich said.

Ready to shop? Here's where she says you can find the steepest savings.

Summer gear

"Labor Day is your last and best chance to get summer appliances on sale," Teich said. Look for deals on things like grills, air conditioners, and air purifiers, though inventory may be limited compared to earlier in the year.

Large appliances

"Brands tend to release ne

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