Costco Is Rationing Cooking Oil, And Shoppers Are Furious

Costco has started limiting how much cooking oil customers can buy, and the internet is not taking it quietly. The warehouse giant recently imposed a purchase cap on bulk cooking oil at locations across the country, confirming what eagle-eyed shoppers had already noticed: shelves that once held endless pallets of canola and vegetable oil are now guarded by signs reading "limit 2 per member" or similar restrictions. The move comes as global cooking oil prices have spiked, driven by drought, the war in Ukraine (a major sunflower oil exporter), and surging demand for biofuels that divert crops away from supermarket shelves. For Costco loyalists, the rationing feels less like a temporary hiccup and more like a gut punch. This is the store where people buy 40 rolls of paper towels and a five-gallon drum of mayonnaise without anyone batting an eye. Now, apparently, you can't even stockpile a year's worth of frying oil. The company hasn't made a splashy public announcement, which is part of the problem. Costco has a long history of quietly managing supply crunches — remember the toilet paper limits of 2020? — but that low-key approach leaves shoppers guessing. Some members report walking into their local warehouse only to find the oil aisle picked clean by mid-morning. Others say they've been told by employees that the limits vary by location and could change week to week. Here's what this actually means for your wallet. First, cooking oil prices are up sharply compared to a couple of years ago. A jug of canola oil that once cost $8 or $9 at a big-box store can now run $15 or more, depending on the brand and region. If you're a home cook who goes through oil fast — think fried chicken, homemade fries, or anyone feeding a big family — that's a real budget hit. Second, the rationing itself can push shoppers toward smaller grocery stores, where per-ounce prices are almost always higher. That's the sneaky part: a purchase limit doesn't just inconvenience you, it can nudge you into paying more elsewhere. Third, there's a hoarding psychology at play. The moment a store announces a limit, some shoppers instinctively grab the maximum allowed, even if they don't need it. That tightens supply further and keeps the cycle going. Economists call it a self-fulfilling shortage; your grandma calls it "everyone acting crazy." So what should you do? Don't panic-buy. Cooking oil does go rancid over time, especially if stored in a warm pantry, so a garage full of canola isn't the flex it seems. If you find a decent price, buy what you'll realistically use in a few months. Consider alternative fats — butter, lard, or olive oil — if the price gap makes sense for what you're cooking. And if you're a Costco member, check the app or call ahead before making a special trip, because inventory is moving fast. It's also worth remembering that this isn't a Costco-specific problem. Walmart, Kroger, and regional grocers have all wrestled with cooking oil supplies. Costco just happens to be the loudest stage, because its whole brand is built on abundance. When the temple of bulk buying starts saying "only two," people notice. The deeper issue is that food supply chains are still wobbly, and cooking oil sits at the intersection of farming, fuel, and global trade. Until those pressures ease, expect more limits — and more grumbling in the checkout line. Our take: Costco rationing oil is annoying but not apocalyptic. The real lesson is that "buy in bulk" only works when the bulk actually exists. Panic-buying just guarantees you'll pay more for less, so keep your cool, watch the sales, and let the hoarders fight over the last jug.