Latest / The Buyer's Side with Fexingo: Procurement, Sourcing, and B2B Purchasing Decisions / How One Buyer Used Total Cost of Ownership to Beat a Low Price
Transcript
- Lucas: You get a quote from Supplier A for a critical component — twenty-two dollars per unit. Supplier B quotes twenty-six. Your boss wants to go with A. But if you sign that deal, you might cost your company more than two million dollars over three years. That is a real number from a real buyer I talked to last month. Luna: That is a massive swing for a four-dollar difference. So what did the buyer know that the boss didn't? Lucas: Total cost of ownership — TCO. He didn't just compare price tags. He modeled everything that would happen to that component from the moment it left Supplier A's factory floor through installation, maintenance, and eventual disposal. And what he found was that Supplier A's cheaper unit had a defect rate of three point two percent versus Supplier B's one point one percent. Luna: So the rework cost alone probably ate that four-dollar gap pretty fast. Lucas: Exactly. The buyer calculated that each defective part would cause an average of forty-five minutes of production line downtime. At a burdened labor rate of eighty-seven dollars per hour, plus the cost of scrapping the bad unit and pulling a replacement from inventory, the rework cost per defect was about one hundred and thirty dollars. Multiply that out over a three-year purchase volume of seventy-eight thousand units, and the math gets ugly. Luna: Did he have to fight for that, or did the numbers speak for themselves? Lucas: He had to fight. The purchasing director was trained to hunt for the lowest unit price. So the buyer built a simple TCO model in a spreadsheet. He lined up five cost buckets: purchase price, inbound logistics, quality risk — defects and rework — maintenance over the component's life, and then residual value at end of life. For Supplier B, the residual value was higher because the component had better material specs and could be refurbished. Luna: And Supplier A had basically zero residual value, I'm guessing. Lucas: Zero. The component was a sealed unit with no rebuild path. So when he summed everything, Supplier A's three-year TCO was nine point three million dollars. Supplier B's was seven point zero million. That's two point three million in savings by picking the higher-priced supplier. Luna: That's a great example. But I also wonder — is TCO always worth the effort? For a commodity like office paper, you probably don't need to model rework costs. Lucas: You're right. TCO has diminishing returns on low-risk, low-value items. If you're buying janitorial supplies or generic fasteners, the purchase price is probably a sufficient proxy. But for anything that touches your core product or requires after-sales support, skipping TCO is basically gambling. Luna: So how do you decide where to apply it? Is there a rule of thumb? Lucas: I like what one CPO told me: if the annual spend on a category is less than fifty thousand dollars, and the item isn't mission-critical, just compare price and move on. But if it's over that threshold or the component has a high failure consequence — think a brake caliper for a truck versus a plastic trim clip — then build the model. Luna: That makes sense. And I think the hardest part is getting the data. You need defect rates, downtime costs, maintenance records. Not every company tracks that. Lucas: That's the real challenge. The buyer I talked to had three years of historical data from both suppliers because his company had been buying similar components. He pulled defect logs from the quality team, downtime reports from production, and warranty claim data from customer service. Most companies have that data — it's just scattered across departments. Luna: So part of the skill is knowing which spreadsheet tabs to ask for. Lucas: Exactly. And if you don't have perfect data, you can use estimates with a sensitivity analysis. The buyer ran three scenarios: optimistic, baseline, and pessimistic. Even in the pessimistic scenario — where Supplier B's defect rate was double what they quoted — Supplier B still came out ahead by about eight hundred thousand dollars. Luna: That's robust. I think a lot of buyers get intimidated by TCO because they think it has to be a PhD-level model. But a simple five-bucket spreadsheet with some conservative estimates can already beat a gut feel. Lucas: One hundred percent. And once you've built it once, you can reuse the template for similar categories. The buyer now has a TCO template for all mechanical components. He says it takes him about two hours to fill it in for a new supplier. That's a tiny investment for a potential seven-figure decision. Luna: I want to talk about one more hidden cost that often gets missed: the cost of complexity. If Supplier A has a higher defect rate, you might need extra inspection, extra inventory buffers, maybe even a second source. Those costs are real but rarely show up in a simple price comparison. Lucas: Great point. The buyer in our case actually added a line item for 'management burden' — the time his team spent chasing defects and expediting replacements. He estimated it at forty hours per month, which he valued at about three thousand dollars. That alone added ninety thousand dollars over three years. Luna: Did his purchasing director finally get on board after seeing that? Lucas: Eventually. The director asked a great question though: 'If TCO is so smart, why doesn't every buyer use it?' And the honest answer is that it takes discipline. You have to resist the easy win of a lower price today for a higher cost tomorrow. Plus, some procurement organizations are measured on year-over-year price reduction, not total cost. That's a structural problem. Luna: So if your bonus is tied to price reduction, you might not want to hear about TCO. Lucas: Exactly. That's why the best procurement leaders tie incentives to total cost, not just unit price. One of my favorite examples is a company that added a 'TCO compliance' metric to their buyer scorecards. If a buyer could show they evaluated TCO for any purchase over a hundred thousand dollars, they got a bonus weight. It changed behavior fast. Luna: I love that. It's not just a tool — it's a cultural shift. And I think that's the real takeaway: TCO is as much about how you measure success as it is about the numbers. Lucas: Right. And it's worth noting that this isn't just for big companies. The buyer I spoke with works for a mid-tier automotive parts supplier with about four hundred employees. Their annual procurement spend is maybe forty million. So TCO is accessible to any organization that's willing to spend a few hours on a spreadsheet. Luna: Speaking of accessible — we've been doing these deep dives for forty-seven episodes now, and one thing I've always appreciated is that we keep the show ad-free. Not because ads are evil, but because we want the content to be the only thing you have to think about. If you've gotten value from these episodes — maybe that TCO template saved you a headache — and you'd like to support that ad-free approach, there's a simple way. Lucas: Yeah, a listener mentioned that to me last week. They said it's nice to listen without a mid-roll interruption. And we get that. So if the show has moved your work forward in some small way, you can help keep it independent at buy me a coffee dot com slash fexingo. No pressure, just a way to say 'keep going.' Luna: And we really appreciate those who do. Alright, back to TCO — one last piece I want to highlight: the residual value bucket. That's often the most overlooked. Lucas: Absolutely. In the automotive world, some components can be remanufactured and sold as service parts. Supplier B's component was designed with that in mind — it had replaceable wear surfaces. So at end of life, the buyer could sell it back to Supplier B for fifteen percent of the original price. That dropped the net TCO even further. Luna: So the supplier who charged more actually had a better-designed product. That's the kind of insight you only get when you look beyond the price tag. Lucas: Exactly. And in the end, the buyer got a promotion. The purchasing director now asks for a TCO analysis on any new supplier relationship over a hundred thousand dollars. That one spreadsheet changed how the entire department thinks about value. Luna: I love that. So for our listeners, next time a supplier says 'I'm the lowest price,' just ask: 'At what total cost?' Lucas: That's the line. Next episode, we're going to look at how one buyer used a supplier's own cost breakdown to negotiate a twenty percent price cut — without ever asking for a discount.