AVENEL, N.J.—The familiar sights and sounds are still there: the scuffed and faded floor tiles, the relentless beige-on-beige color scheme, the toddlers’ clothes and refrigerators, and pretty much everything in between. There’s even a canned recording that begins, “Attention, Kmart shoppers”—except it’s to remind folks about COVID-19 precautions, not to alert them to a flash sale over in ladies’ lingerie like days of old. Many of the shelves are bare, though, at the Kmart in Avenel, New Jersey, picked over by bargain hunters as the store prepares to close its doors for good April 16. Once it shutters, the number of Kmarts in the United States—once well over 2,000—will be down to three in the continental United States and a handful of stores elsewhere, according to multiple reports, in a retail world now dominated by Walmart, Target, and Amazon. The demise of the store in the middle-class suburb, 15 miles …