Diving into Sol Price's Strategy: The Man Who Inspired Costco and Every Warehouse Store You Know

Sol Price built a machine that his imitators now run at close to a trillion dollars a year. Costco, an almost exact copy of his Price Club, brings in roughly $275 billion,¹ and Walmart, whose founder said he borrowed more from Price than from anyone, adds $681 billion more.²

Price was a practicing lawyer in San Diego into his late 30s, with no retail background at all. Then in 1954 he opened a discount store in a warehouse, FedMart, and stumbled into reinventing how Americans buy things. In 1976 he did it again, founding Price Club and building the membership warehouse from scratch: bare concrete floors, goods stacked on pallets, a deliberately tiny markup, and a fee at the door just to shop. That very first Price Club in San Diego is still in operation today, now branded as Costco warehouse #401.³

A young employee named Jim Sinegal started under Price at 18, absorbed the entire method, and used it to build Costco, so closely modeled on the original that Price Club merged into it in 1993.⁴ That same copy now serves some 80 million paid members across more than 900 warehouses and employs 341,000 people worldwide.⁵ Sam Walton, founder of Walmart, today the largest retailer on earth, openly admitted he "borrowed" more ideas from Price than from anyone else in the business, and leaned on them again to launch Sam's Club.⁶ Trace almost any modern big box or warehouse store back far enough and you land on this one obscure lawyer.

But the format isn't why he's worth studying, it's why the format worked. Price believed a store owed its customers a fiduciary duty, the kind a lawyer owes a client, and he ran his companies on a principle that sounds like commercial suicide: take the least you can, not the most you can get. Nearly every business instinct is built to extract the most, through upselling, manufactured scarcity, pricing to whatever people will pay. Price did the reverse and let compounding trust do the work. The punchline is in those numbers above: he proved that the least greedy operator can end up owning the market. He got rich by making it structurally hard for himself to be greedy.

What follows are the five contrarian patterns that drove nearly every decision he made.

The mechanism: treat the gap between what something costs and what a customer would pay as the customer's money, not yours.

He did not price to what shoppers would pay; he priced to what things cost. He did not treat the brand name premium as his to keep; he built his own label to erase it. He did not see restraint as generosity; he saw it as the entire strategy.

In the 1950s, national brands carried a built in premium. Shoppers paid extra for the name, and every retailer happily pocketed the gap. The reasonable play was to stock the big brands and enjoy the margin they guaranteed.

Price refused the free money.

He launched a house brand, "FM," so customers at FedMart could buy comparable quality with the brand name markup stripped out entirely, not merely discounted.⁷

Notice what he did not do. He didn't shave a few points off the branded price to look competitive while still collecting the premium. He removed the premium as a category, engineering the markup out of existence rather than negotiating it down.

The payoff: FedMart earned roughly four times what its investors had projected in its very first year.⁸

By the time Price was established, the accepted wisdom was simple: a business exists to maximize profit, and a good merchant charges what the market allows. Saying otherwise in public was practically heresy.

Price said it anyway, and flatly.

He described the retailer's role as a fiduciary one, the duty a lawyer or banker owes a client, and put the consequence bluntly: a retailer who takes that seriously "shouldn't make too much money."⁹ He then priced to cost, declining the easy dollars his pricing power could have taken.

He didn't treat "customer first" as a marketing slogan layered on top of the ordinary business of maximizing margin. He accepted the actual financial cost of the belief, capping his own upside on purpose.

The payoff: the discipline is so durable it still runs the copy. Costco deliberately holds its gross margin around 11%, roughly a third of a traditional retailer's, decades after Price first refused to charge more.¹⁰

The mechanism: surrender margin voluntarily, on your own schedule, instead of clinging to it until competition rips it away.

He did not wait for a rival to force a cut; he cut the moment his costs allowed. He did not defend his margins; he gave them up on purpose. He did not stock the brands that guaranteed him a fat markup; he walked away from them.

The discount boom of the '50s and '60s was cutthroat, and the industry reflex was universal: defend your margin, cut only when a competitor leaves you no choice.

Price cut first, unprompted.

As rising sales volume drove his own costs down, he pushed the savings onto the shelf immediately rather than banking the difference as fatter profit.

He didn't treat lower costs as a windfall to keep until the market pressured him. He passed them through the instant they appeared, competing against his own future self, not just his rivals.

The relentless efficiency compounded into a cash machine. Price famously turned his inventory about eleven times a year, selling merchandise in roughly five weeks while negotiating as long as ninety days to pay suppliers, effectively running the business on his vendors' money.¹¹

That era ran on "fair trade" laws, which let manufacturers legally force retailers to sell their goods at a set minimum price, a guaranteed, protected margin handed to any store that complied.

Price wouldn't take it.

He refused to stock fair trade brands like Samsonite that required him to hold prices high, choosing to lose those sales outright rather than participate in propping prices up.¹²

He didn't pocket the protected margin and quietly resent the law. He forfeited whole product categories rather than become an instrument of the price floor.

The payoff was that discounters who fought this fight helped end it. Congress repealed fair trade price maintenance nationwide in 1975, freeing the low price model that now dominates American retail.¹³

The mechanism: deliberately forgo sales, of variety, of volume, of the easy transaction, so the customer never has to wonder if they're being worked.

He did not chase every customer; he chose which sales to lose. He did not stack the shelves; he stripped them. He did not hide a cheaper rival; he pointed customers straight to it.

Conventional wisdom said selection won. Stores piled on tens of thousands of items to satisfy every possible shopper, on the theory that a missing size was a lost sale.

Price stocked less on purpose.

He carried roughly 3,000 items where a typical store stocked 50,000,¹⁴ and would offer only the single 8 ounce bottle of 3-in-1 Oil while every competitor carried three sizes, calling the deliberately lost sale "intelligent loss of sales."¹⁵

Notice what he did not do: he didn't chase completeness to avoid ever disappointing a shopper. He accepted the lost sale on the odd size because a lean, curated shelf was one a customer could trust without second guessing.

The lean model was radically more productive. Price Club generated on the order of $1,000 in sales per square foot, against roughly $300 for the "complete selection" competitors it was beating.¹⁶

Loss leaders were a standard trick, luring shoppers with one staple sold below cost, then quietly overcharging on everything else to make it back. The move everyone expected was to match the bait and hide the recovery.

Price wouldn't run the con, and made a point of it.

When rival grocers were selling sugar or coffee below cost, he had FedMart post signs beside his own displays telling customers to go buy those items at the competitor instead.¹⁷

Note that he actively handed the transaction to a rival, treating a single forfeited sale as a deposit into a relationship that would span decades.

That relationship is the whole business, and it holds. Costco, running Price's trust model, renews roughly 90% of its members year after year.¹⁸

The mechanism: don't rely on willpower to stay fair; build a business that is structurally incapable of gouging, so the temptation never has a lever to pull.

He did not rely on his own restraint to stay fair; he built a machine that couldn't cheat. He did not profit from markups; he profited from dues. He did not price by instinct; he priced by formula.

Most merchants of Price's era assumed a fair operator simply chooses, day by day, not to overcharge. Fairness was a matter of character.

But Price didn't trust character.

He charged a membership fee to get in the door, $25 a year at Price Club, $2 per family at FedMart,¹⁹ so his profit flowed from dues, not from marking up goods. His interest and the customer's were welded together by the structure itself.

Notice what he did not do. He didn't promise to keep margins low and hope he'd hold the line. He built a company that made its money whether or not it marked anything up, removing his own incentive to inflate a single price.

The payoff: the cage still holds. Costco collected about $5.3 billion in membership fees in fiscal 2025, a sum that accounts for the bulk of its profit, exactly as Price designed.²⁰

The standard approach was to price each item at "whatever the market will bear," reading demand and charging accordingly.

Price stripped himself of the discretion.

He ran a rigid pricing formula, cost plus a fixed slim margin, and held a standing rule against ever selling below cost, on the logic that a below cost loss leader forces a retailer to gouge elsewhere to make it back.

Notice what he did not do. He didn't leave himself the option to price by appetite and merely resolve to be gentle with it. He mechanized the decision so gouging wasn't available to him even in principle.

The payoff: it works at almost unthinkable thinness. Costco runs on an operating margin of roughly 3.7% and still compounds that discipline into more than a quarter of a trillion dollars in annual sales.²¹

The mechanism: refuse to instrumentalize ethics. Do the right thing because it's right, and specifically not as a strategy, even though, for Price, it kept paying off anyway.

He did not put shareholders first; he put them last. He did not pay the going wage; he paid far above it. He did not brand his charity; he hid inside it.

In an era when the stockholder sat unquestioned at the top of every corporate hierarchy, the expected order was owners, then everyone else.

Price inverted it openly.

He insisted his duty ran to customers first, employees second, and shareholders third,²² and paid his workers well above the norm for discount retail, which often sat near the poverty line.

He didn't pay high wages after a consultant proved loyal staff were cheaper. By his own account, he did it because he believed the order was right, and let the economics follow rather than lead.

The economics did follow. In the company built on his model, about 94% of employees who make it past a year stay on, a turnover rate that is a fraction of the retail norm.²³

Wealthy by the time his warehouse model had reshaped retail, Price could have chased legacy the usual way, a name on a building, a foundation for show, a photogenic cause.

He chose the opposite of visible.

Starting in 1994 he poured money into City Heights, then one of San Diego's poorest districts, loaning the city funds for a police substation, building housing and a library, seeding schools and clinics, with no store to promote and no branding angle attached.²⁴

Notice what he did not do. He didn't select a cause for its optics or its proximity to his business. He picked the least glamorous and hardest to measure kind of help, and by his own account expected nothing in return.

The honest caveat: whether the money actually lifted the neighborhood is genuinely contested. Decades in, even sympathetic observers note the hard outcome data is thin. The point here is the motive structure, not a claim that philanthropy is easy or that it clearly worked.

The payoff, such as it is: the commitment was real and enormous, more than $212 million into a single community of about 74,000 people by 2012, and still going after his death.²⁵

Strip Price down to one transferable idea and it's this: restraint only earns trust if you can't reverse it.

Anyone can promise a fair price. What made Price different is that he kept building structures that took the choice away from himself: a membership fee so his profit didn't depend on markups, a fixed pricing formula so he couldn't price by appetite, a public fiduciary standard he'd look like a hypocrite for breaking. He didn't try to be good. He made being greedy inconvenient, then let thirty years of trust compound.

The usable version, for whatever you're building: look for the places you're relying on your own future willpower, to not overcharge, to not cut the corner, to not take the easy extra, and replace the intention with a structure. A rule, a fee model, a public commitment, anything that makes the wrong move harder for you specifically.

And the honest limit: this only pays if you're playing a long game with people who come back. Trust compounds over decades, so it's a superpower for a business you'll hold and a waste for one you plan to flip, or for a single transaction where you'll never see the person again. Price's edge was patience most operators simply don't have.

So the question he leaves you with isn't how much can I get? It's: what could you build that would stop you from taking too much, even on the day you're most tempted to?

See you next week.

This is independent editorial commentary. It is not affiliated with, authorized by, or endorsed by Sol Price, the Price family, Price Philanthropies, Costco, Walmart, or any related entity. Company and product names are used descriptively for identification only. No sponsored content; no affiliate links. For corrections: email [email protected]. Errors are fixed on the web version of the post.