The Low-Frequency Grocery Method: Fewer Trips, Less Impulse, More Savings

day 10 since my last grocery shop -- not empty, not full

I keep thinking about the TV commercial with the Mitchum man. If you grew up in the 1970s you may remember him. The "I didn't use my anti-perspirant yesterday, and I may not use it today, because I feel really dry" macho guy, half-dressed and still in bed. Thinking about that ad gives me the shivers.

But I keep thinking about the "I didn't do something in normal timing and I probably won't do that something right away" line of thought in regards to grocery shopping. In thinking about the last 6 months of my grocery shopping, I have had so many months where I simply didn't shop as often as I used to. This is not due to some grand plan to reduce driving to the store. It just keeps happening this way.

It's now been 10 days since I last set foot in a grocery store. I haven't even asked anyone in the family to pick something up for me. So, I can say I didn't shop at all last week, and I'm not rushing back to the store this week (although I will go just to get milk and bananas). We just haven't needed the main groceries (primarily milk, eggs, and bananas) as often. Perhaps I'm becoming a more efficient shopper and managing to buy exactly what we need for a 10-day period better than I used to.

In any case, I am spending less on groceries overall with this new, unintentional shopping pattern.

I was curious about whether or not others spent less on groceries overall if they shopped more or less often. So I did some digging. There is an entire field of study on consumer habits. Here are two key takeaways from the studies and articles that I read:

• Those who shop with itemized, written lists (as I always do) spend less, as they make fewer impulse buys. [Journal of Consumer Behavior]. HuffPost UK backs this up, consumers who shop with a pre-written list spend 20% less on impulse purchases.
• The current price of gas at the pump is transforming the majority of Americans' shopping habits. In a study from March 2026, 66.4% of 1000 US adults surveyed indicated they have changed their overall spending habits due to higher gas prices, consolidating their trips and shopping less often. Analysis found that shoppers who shopped less frequently tended to buy larger quantities per visit, but the total number of items accumulated over a month was less than for frequent-stop shoppers. [snipp.com -- March 31, 2026] 

Combining the two points above, shoppers who shop less frequently are less exposed to impulse items or marketing techniques in the store, and those who shop with a written list tend to spend less overall. This is totally me.

Well, isn't this interesting? How this is working for me is that I think I am optimizing some of my purchases so we can go longer periods before running out. And that leads me to shopping less frequently. Over the course of the last few years, I have become an intense list shopper (grocery shopping is not at all fun for me anymore). For the most part, I stick to my list. If I find one of my desired items is on sale, I may buy a stock-up amount. But I'm generally not even looking at end caps in the store.

When I made my WinCo run the week before last, I spent what I thought was more than I'd ever spent there. It's a cash or debit-only store. And since I don't have a debit card, I bring my cash. I spent every bill I had with me. I was left with a change purse full of coins, perhaps totaling as much as $3.00. Close call. When I pushed the cart out to the car, I did have a thought that I'd bought a lot. That would explain spending so much. But here it is 10 days post-shopping, and the only 2 foods we could use more are milk and bananas. Dividing the amount spent 10 days ago by the number of days since, my average per day is less than in months where I shopped each week. So I am saving money.

There's a bonus variable that occurs with infrequent shopping: When you won't be shopping as often, you are forced to eat down your perishable supplies and avoid food waste. For me, I also found I tapped into my pantry staple surpluses more often, too. The way it works out, you actually consume what you already paid for.

It is funny how the best financial breakthroughs are often completely unintentional. I didn't set out to slash my food spending; I just changed how often I shopped. But this accidental experiment proved to me that our daily environments dictate our spending habits. Keeping a strict written list gave me a plan, and staying out of the store gave me peace of mind. In a world constantly telling us to buy more, I found that the secret to spending less was simply showing up less often.

What's your grocery shopping comfort zone? Do you prefer to shop once per week, more, or less often?Have you ever found that when you shopped less frequently, you purchased less overall? Or does it work in the reverse, that you overbuy on the next shopping trip? Do you notice the special sales and end caps in the store? Let me know your thoughts in the comments.

I can't wait to talk with you tomorrow about a change to our family's Sunday routine. At first I was disappointed this change would occur. But now I'm getting excited for it. More tomorrow.