Guide

What to Buy Before Prices Spike: A Supply Chain-Informed Shopping Guide (2026)

The Strait of Hormuz disruption is working its way toward your grocery bill. Here is exactly what to buy now — specific items, quantities, and brands — before the 2-4 month lag runs out.

Claire Weston

— 16 min read

What to Buy Before Prices Spike: A Supply Chain-Informed Shopping Guide (2026)

Last updated: March 2026

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The Strait of Hormuz closed to commercial traffic in late February 2026. The grocery prices you are paying today still reflect last fall's supply chain costs. That gap — roughly 2 to 4 months — is your window. Use it wisely.

This is not a fear piece. I am not going to use words like panic or crisis or show you photographs of empty shelves. What I am going to do is walk you through exactly what is happening in the global supply chain right now, translate it into plain English, and give you a specific, category-by-category guide to what is worth buying this month before prices catch up with reality.

This is what I do. I pay attention to upstream signals so my family does not get caught flat-footed at the register.

Let me show you what I am seeing.

Table of Contents

What Is Actually Happening (The Short Version)

Following U.S. and Israeli strikes on Iran in late February, Iran effectively shut the Strait of Hormuz to commercial shipping. If that name sounds vaguely familiar from a geography class, here is why it matters to the woman standing in the grocery store in Tennessee on a Tuesday afternoon: roughly one-third of all globally traded fertilizer passes through that strait.

Specifically, urea — the nitrogen compound that is the backbone of commercial fertilizer — has seen its price jump over 40% since the conflict began. At the Port of New Orleans, urea prices have spiked more than 20% in two weeks alone, exceeding $650 per ton.

Here is the lag that matters: fertilizer price increases do not show up on your grocery receipt the same month. Farmers plant with fertilizer they order in March and April. Those crops come to market in late summer and fall. Processed foods made from those crops reach store shelves two to four months after harvest. Which means the pain has not landed yet — but it is coming, and the window to act ahead of it is right now, this spring.

The USDA was already projecting "food-at-home" inflation to rise roughly 2 percentage points in 2026 before this disruption. That projection is now outdated on the conservative side. Multiple economists and food analysts — including researchers at IFPRI, the Council on Foreign Relations, and Fortune — are flagging the potential for a meaningful grocery price shock in the back half of this year and into 2027.

Proverbs 31:21 says she is not afraid of the snow for her household, for all her household are clothed in scarlet. The modern translation for a lot of us is: she planned ahead.

How Long You Have to Act

The 2-4 month lag is your friend right now. Here is approximately how the timing works:

  • Now through May: Fertilizer prices at record highs; farmers absorbing the cost
  • Late spring/summer: Higher input costs locked into crop production
  • Fall 2026: First wave of grain and oil price increases reaches processors
  • Late fall/winter 2026–2027: Processed food prices — pasta, cooking oils, cereals, canned goods — reflect the new cost reality

This is not speculation. This is how the supply chain has worked every single time commodity costs have spiked, including in 2021-2022. The lead time between upstream disruption and retail grocery prices has historically been 2 to 4 months for processed goods, 3 to 6 months for items further from the commodity (like packaged cereals or store-brand pasta).

You have time to be thoughtful, not hurried. Buy what your family actually uses. Do not overbuy anything with a short shelf life. Think of this as pre-purchasing at today's prices.

Grains and Pantry Staples

This is the category most directly connected to fertilizer costs, because grain farming is the single largest consumer of nitrogen fertilizer. Rice, pasta, flour, and oats are where the Strait of Hormuz disruption will hit first and hardest in the grocery store.

What to buy:

White rice. White rice has a legitimate 25-30 year shelf life when stored in an airtight container in a cool, dry location. Buy a large bag — the 25-lb or 50-lb size — and put it somewhere it will be forgotten until needed. Do not bother with brown rice for this purpose; the oils in brown rice limit shelf life to 5 years or less.

Pasta. Quality dried pasta runs 25-30 years in sealed storage. The premium brands — De Cecco, Barilla — hold better texture and nutrition than generic. I buy the large 5-lb bags of rigatoni and penne at Costco and rotate them naturally through our weekly cooking. We probably eat pasta twice a week between school lunches and family dinner, so nothing goes to waste.

All-purpose flour. Flour shelf life is shorter — about one year in original packaging, two to three years in a sealed food-grade bucket. Buy two or three extra 5-lb bags (not 50 lbs unless you bake constantly). King Arthur is worth the extra dollar.

Rolled oats. One of the best shelf-stable foods available — 30 years in proper storage. A 25-lb bag runs about $30-35 at Costco currently. In six months that number will likely look like a bargain.

Salt and sugar. Both have indefinite shelf lives when stored dry. Both are cheap right now. Both are worth having on hand — not in extreme quantities, but enough that you are not scrambling. A 4-lb box of Morton kosher salt is under $5. Buy three.

Quantities I suggest: For a family of four, two extra months of grain staples means roughly: 20 lbs white rice, 10 lbs pasta, 10 lbs flour, 10 lbs oats. That is about $80-100 at current prices and will represent meaningful savings if grain prices move 15-20% by fall.

Cooking Oils

Cooking oil prices track two things simultaneously: agricultural commodity costs (soybeans, canola, sunflower seeds) and fuel/transportation costs. The Strait of Hormuz disruption hits both inputs at once. Vegetable oil prices were already elevated — the FAO World Vegetable Oil Price Index has been running well above historical averages since 2021 — and there is no near-term catalyst for relief.

Extra-virgin olive oil has its own separate price pressure from two consecutive years of drought across Mediterranean growing regions. Spanish olive output — which represents a significant share of global EVOO supply — has been severely constrained. That pressure predates the current conflict and is not going away.

Opened oils last 1-2 years. Unopened, sealed oils last 2-4 years depending on type. This is a practical category to load up on because you will use it regardless.

What to buy:

Extra-virgin olive oil. Buy quality here. California Olive Ranch is my standard recommendation for everyday cooking — it is the real thing, it is American-grown, and it is excellent. Kirkland's EVOO (Costco) is also legitimate. Buy 2-3 extra bottles.

Avocado oil. For high-heat cooking, avocado oil is superior to both olive and vegetable oil. Primal Kitchen is my household brand. It is more expensive than canola — intentionally so, because it is genuinely better for you. Worth having two bottles ahead.

Coconut oil. Two-year shelf life in a sealed jar. Useful for baking, certain cooking applications, and — I will say it — a dozen non-food household uses. A large jar of Carrington Farms lasts our family about six months. I keep two on hand.

Skip the gallon jugs of generic vegetable oil if your family does not already use it. There is no wisdom in buying things that will sit unused.

Canned Proteins

Canned proteins have been ticking up since early January — canned goods face a double pressure from both commodity costs and steel/aluminum tariffs that have increased the cost of the can itself. This is a category where buying ahead has a clear and immediate ROI.

These also have a practical shelf life of 3-5 years and form the backbone of any genuine food rotation plan. I do not think of these as emergency food. I think of them as the pantry inventory of a well-run household.

What to buy:

Canned wild-caught salmon and tuna. This is where I spend the most in this category. Wild Planet makes the best canned tuna and salmon I have found — pole-caught, no additives, genuinely excellent for quick weeknight meals. I buy cases of 12.

Canned chicken. For practical family cooking — soups, casseroles, quick chicken salads for school lunches — the Kirkland Signature canned chicken from Costco is the best value I have found per pound of protein. A case of 12 cans runs about $30. At today's prices, that is a smart buy.

Canned beans. Black beans, chickpeas, white beans — these are genuinely versatile, healthy, and filling. If you want a dried version instead (much lower price per serving, much longer shelf life), a 25-lb bag of dried black beans from a brand like Anthony's Goods runs about $35 and will last 30+ years in proper storage.

Bone broth. Kettle & Fire makes a solid shelf-stable bone broth that I use constantly. A case of 12 keeps me stocked for 3 months of weeknight soups and cooking. It is not cheap — about $5 per carton — but this audience is not shopping for cheap. It is shopping for good.

Coffee and Tea

I will be honest with you: coffee prices have been climbing for two years, driven by Brazilian crop shortfalls and Vietnamese weather disruptions that have nothing to do with the Middle East. The Iran situation adds transportation cost pressure on top of existing supply constraints. Coffee was already headed up. Now it is headed up faster.

Roasted whole beans keep well for 6-12 months in a sealed container. Green (unroasted) beans last up to 2 years. If coffee is a non-negotiable in your household — and let us be honest, it probably is — buying 2-3 months ahead is both financially smart and practically sound.

What to buy:

Whole bean coffee. Peet's, Stumptown, or Intelligentsia if you have a grinder. Lavazza for a quality pre-ground that will not disappoint. For serious coffee households, the Costco Kirkland Signature Whole Bean (2.5 lb bag, runs about $18) is a legitimate everyday choice.

Tea. Less volatile pricing than coffee, but worth having a proper supply of what your family drinks. Harney & Sons for quality. Bigelow for everyday value. A tin of 50 quality bags is inexpensive and keeps for 3 years.

Cleaning Supplies

Cleaning products — detergents, surface cleaners, dish soap — are manufactured with petroleum-derived inputs and transported with fuel. Prices on this category typically lag fuel cost increases by about 3 months, which means what you are paying right now still reflects last quarter's fuel costs.

These also have long shelf lives. Concentrated laundry detergent keeps 12-18 months. Unopened dish soap keeps indefinitely. This is one of the easiest and most practical categories to load up on with zero waste risk.

What to buy:

Laundry detergent. Tide Pods in the large tubs from Costco — the 152-count tub runs about $50 and that is 5-6 months of laundry for a family of five. I keep one open and one sealed. When I open the second one, I buy a third. Simple rotation.

Dish soap. Dawn Platinum, large bottles. Buy four. You will use them.

All-purpose cleaner. Seventh Generation or Mrs. Meyer's concentrate. The concentrates give you extraordinary value per dollar and far lower waste. One 32-oz bottle of concentrate makes eight spray bottles of finished cleaner.

Bleach. Keep two gallons on hand. Regular bleach lasts about 6-12 months before degrading. Buy the standard Clorox — not scented, not specialty — in the large 121-oz jugs.

Paper Products

Paper products are another petroleum-adjacent category — the manufacturing and transportation costs are both tied to fuel prices. This is also the category that went completely haywire in 2020 and caused the most visible panic buying, which is exactly why we do not wait for shortages to think about it.

Paper towels and toilet paper keep indefinitely when stored dry. This is a category where buying in bulk is genuinely rational.

What to buy:

Toilet paper. Kirkland Signature bath tissue from Costco is exceptional quality at a reasonable bulk price. The 30-roll packs are what I buy; I keep two packs on hand at all times. If you have storage space, a 6-month supply for a family of four is about 240 rolls (roughly 4 Costco packs at today's prices).

Paper towels. Bounty Select-A-Size in the large Costco packs. The Select-A-Size format reduces waste meaningfully. Keep 2-3 jumbo packs ahead.

Tissues. Puffs Plus Lotion, a case of 12 boxes. Under $30, lasts months, essential with three kids in the house.

Pet Food

This is the category most families forget entirely, and it is the one that will cause real inconvenience if prices spike or shelves thin out. Pet food supply chains were severely disrupted during COVID — specific formulas went unavailable for months — and the dynamics driving the current disruption are not dissimilar.

Dry pet food stores well. Most premium dry kibble has a 12-18 month shelf life in its original sealed bag. Keeping one extra bag ahead is genuinely responsible stewardship of your animals.

Biscuit goes through about one 30-lb bag of food per month. I keep two bags in the mudroom at all times and rotate naturally. When I open the second bag, I put another on the Costco order.

What to buy:

Premium dry dog food. For a large dog, Purina Pro Plan is the recommended-by-veterinarians quality brand that does not require you to take out a second mortgage. The 47-lb bag at Costco runs about $60. If you have a smaller breed or prefer grain-free, Merrick or Taste of the Wild are both excellent.

Premium dry cat food. Royal Canin or Hill's Science Diet are both consistently top-tier. Buy one bag ahead.

Canned pet food. If your animals eat wet food, buy a case ahead. The manufacturing inputs — including the can itself — are subject to the same pressures as human canned goods.

Over-the-Counter Medications

I covered this category in depth in our OTC Medicine Cabinet Guide, but a note specific to this supply chain moment: certain OTC medication ingredients are manufactured in India and China and are transported through shipping lanes affected by the current disruption. Ibuprofen, acetaminophen, and several allergy formulas have seen episodic supply tightness over the past two years.

OTC medications are also subject to tariff pressures that have already begun pushing some categories higher. A well-stocked medicine cabinet is not excessive — it is just thoughtful household management.

What to keep on hand:

  • Ibuprofen and acetaminophen — the large Costco bottles
  • Children's versions if applicable (Nora and James go through these)
  • Diphenhydramine (Benadryl) — for allergies and sleep support
  • Loperamide (Imodium) — two boxes
  • Antacid — a large bottle of Pepcid or Tums
  • Topical antibiotic ointment (Neosporin, triple pack)
  • Bandages and wound care — Nexcare or Band-Aid, assorted sizes

For a full medicine cabinet checklist, see the detailed guide. What I will say here is that the window to buy ahead at stable prices is the same window as the rest of this guide. Medications are not immune to supply chain pressures.

What NOT to Buy Right Now

Good stewardship means knowing what not to do as much as knowing what to do.

Fresh produce, dairy, and anything with a short shelf life. There is no wisdom in buying extra strawberries because you read an article about supply chains. Buy your normal fresh produce at your normal cadence. The disruptions we are discussing affect shelf-stable goods primarily.

Bottled water at inflated convenience-store prices. If you want to build a water reserve — which I recommend — buy a WaterBrick stackable container and fill it from your tap. A single WaterBrick holds 3.5 gallons and costs about $25. Eight of them gives a family of four two weeks of water for $200. That is the wise approach. Buying 40 cases of Evian is not.

Things your family does not actually eat. I cannot stress this enough. The point of buying ahead is to pre-purchase what you already consume at today's prices. Buying 50 cans of kidney beans when your family has never voluntarily eaten a kidney bean is not preparedness — it is waste waiting to happen.

Anything in quantities that would meaningfully thin out store shelves. We buy extra for our own households, not in quantities that affect availability for our neighbors. There is a clear ethical line here and it matters.

Freeze-dried or "survival" specialty food at a premium. Unless you have already built out your core pantry (the categories above) and are now working on deep long-term storage, you do not need to spend $300 on a freeze-dried meal kit right now. Build the fundamentals first. There is time to add the extras.

Frequently Asked Questions

Q: How serious is the Strait of Hormuz disruption, really? Is this being overblown?

A: The disruption is real and verified by multiple credible sources including CNBC, the Council on Foreign Relations, IFPRI, and NPR. Commercial shipping through the strait has been largely halted since late February 2026. The fertilizer price spike — urea up over 40% at some ports — is a documented data point, not a prediction. What is uncertain is how long the disruption lasts and how much of the cost ultimately passes through to consumers. Analysts project a 2-percentage-point increase in grocery inflation as a baseline; the actual number could be higher or lower depending on conflict duration and market adaptation. Taking measured action ahead of a credible supply chain signal is reasonable. Interpreting that action as requiring extreme measures is not.

Q: When will grocery prices actually go up?

A: The 2-4 month lag is the industry-standard rule of thumb for how long it takes commodity price increases to translate into retail grocery prices for processed and shelf-stable goods. Given the disruption began in late February, the first meaningful price increases for grain-based products, cooking oils, and canned goods are most likely to appear in late summer and fall 2026, with broader grocery inflation extending into early 2027. Fresh produce and meat prices can move faster when driven by weather or disease, but the fertilizer-to-processed-food timeline historically runs 2-4 months minimum.

Q: How much should I spend? Is there a number that makes sense?

A: I would not suggest a fixed dollar amount, but I would suggest a framework: buy two extra months of the shelf-stable items your family already uses, in the categories most directly tied to fertilizer and fuel costs. For a typical family of four, that works out to roughly $300-500 in additional pantry goods spread over two or three shopping trips. That is not a dramatic outlay — it is a rounding error in a month of normal household spending — and it functions as a genuine price hedge against what may be coming.

Q: Does this apply to families who shop at Costco already?

A: Costco is actually one of the best positions to be in for this kind of forward buying. The bulk format means you are already getting favorable per-unit pricing, and Costco's in-house inventory levels tend to be more stable than traditional grocery chains during supply disruptions. If you have a Costco membership, this is the time to put it to work. Buy an extra of the bulk items you already purchase — rice, pasta, cooking oil, paper goods, pet food — and you will have accomplished most of this list in a single trip.

Q: What about non-food items — should I be stocking up on those too?

A: The same fuel-cost logic applies to cleaning supplies, paper products, and personal care items. These are all manufactured with petroleum-derived inputs and transported by fuel. They also happen to have indefinite shelf lives when stored properly. Buying ahead on detergent, dish soap, paper towels, and toilet paper is genuinely rational and carries zero waste risk. For personal care specifically — shampoo, conditioner, lotion — a 2-3 month extra supply is reasonable. Beyond that, you are into territory where storage becomes its own problem.

Q: Is this different from what happened during COVID?

A: Both situations involve supply chain disruption, but the mechanism is different. COVID disruptions were primarily about sudden demand spikes (panic buying) and labor shortages at manufacturing and distribution points. The current disruption is primarily an upstream input cost shock — fertilizer and fuel — which means it moves through the supply chain more slowly and predictably. The 2-4 month lag gives you planning time that COVID-era disruptions often did not. You are not racing against panic buying. You are working ahead of a slow-moving but highly predictable wave.

Q: What if things stabilize and prices do not spike?

A: Then you have a well-stocked pantry full of things your family already uses, purchased at today's prices. There is no scenario in which building a thoughtful, practical food and household supply costs you anything. The worst case is that you spent money slightly earlier than you otherwise would have. The best case is that you saved meaningfully and did not have to think about grocery prices for the next few months while everyone else is watching them go up.

What I Actually Bought This Month

I want to be practical here and share exactly what I actually put in the cart, so this does not read like a theoretical exercise.

Last two weeks, what came into our house:

A 25-lb bag of Jasmine white rice from Costco ($18) went into the pantry on a shelf above the dog food. I labeled it with the purchase date.

Two extra 2L bottles of California Olive Ranch EVOO. We go through about one bottle per month, so this gives me a 3-month supply ahead.

A case of 12 Wild Planet albacore tuna. Matt loves tuna melts. The kids eat tuna pasta. This case will be gone in three months easily, and I paid $35 for it today versus what I expect to be $40-45 by fall.

One extra bag of Purina Pro Plan for Biscuit. He is blissfully unaware of fertilizer price indexes.

Two large Tide Pods tubs. I have been meaning to stay ahead on these since the last time I ran out mid-week and had to do a dedicated detergent run, which is a kind of specific misery I would rather not repeat.

A large bottle of ibuprofen and a large bottle of children's acetaminophen. We use these constantly. I do not know why I only ever kept one bottle of each.

Total outlay: approximately $200 spread across two shopping trips, all items my family already uses regularly. That is the whole strategy. Nothing exotic, nothing extreme — just the ordinary goods of an ordinary household, purchased with a little more intention than usual.

Your One Task This Week

Do not try to do all of this at once. That is how you end up with a garage full of things you do not need and a smaller bank account for your trouble.

This week's task: Pick one category from this guide — just one — and buy two months ahead of your normal usage. If you are a Costco household, do it on your next Costco run. If you are an Amazon household, add the items to your Subscribe & Save and adjust the delivery frequency.

That is it. Next week, pick another category. In two months, you will have quietly and intentionally built a supply that protects your household budget from what is coming in the grocery store — and you will have done it without drama, without rushing, and without spending anything you would not have spent eventually anyway.

That is what thoughtful stewardship looks like in practice.

Have questions about building a well-stocked pantry or what to prioritize first? Drop a comment below or send me a note — I read everything.

— Claire

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