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Missing mail can be big business.

Vlogger Hope Allen spent $12,643.17 after she won a bid to have a semitractor-trailer filled with lost packages delivered to her home.

Her treasure hunt turned up an estimated $53,000 worth of gadgets and designer goods, including a Dior handbag, a Dyson vacuum and a Taylor guitar.

“These giant boxes are full of online orders that didn’t make it to their final destination,” she explained in a new video, now with over 677,000 views on YouTube.

After unloading the huge boxes into her home, Allen took two days to dig through her haul and add up the retail cost of each find.

The savvy shopper’s first find was one half of a pair of $200 Dr. Martens boots — indicating that the job of organizing her inventory wouldn’t come easy as many shoes were simply strewn about in a giant box.

She continued to unpack more name-brand footwear, including Converse, Adidas, Toms and Birkenstocks — and was able to match the loner Dr. Martens boot the next day.

The boxes were mainly filled with clothing items, including 141 Baby Yoda T-shirts, 74 pairs of Adidas socks, a denim underwear set, a flame resistant jacket, a prom dress and hundreds of pet outfits.

In terms of designer items, she considered keeping a $498 Tory Burch dress, until she realized it didn’t fit. There was also a $1,200 Versace Jeans men’s tracksuit, which her husband passed on.

She also collected $1,308 worth of Steve Madden bags, and about $3,000 worth of jewelry from brands such as Kendra Scott, Swarovski and David Yurman.

Allen was already out of the red before she dove into the “treasure pallet,” which contained some of the highest price tags, including a $70 longboard, an $850 Dyson vacuum, an $800 Taylor guitar and two more unbranded guitars, a hoverboard and two baseball bats signed by Roger Clemens and Kolten Wong.

The big ticket item from the high end haul was a Dior handbag worth $4,200, if it can be authenticated.

In the end, the “treasure pallet” added up to about $9,936 worth of goods — or $14,136, if the Dior is real — on top of the $42,720 worth of stuff unpacked from the other boxes.

Allen decided to keep about $5,827 worth of her findings for herself and friends.

Unboxing lost cargo, or “return pallets,” has become a trend among influencers as of late, who spend hundreds or thousands of dollars on mystery shipments to unpack on camera.

Despite the risk of not knowing what’s inside, this adult iteration of the “unboxing” trend for kids has been a boon for many a social media star’s profits, as well as follower count.