Latest / The Pricing Marketing Podcast with Fexingo: Price Anchoring, Bundling, and Conversion Pricing / How a Single Price Makes You Buy More
Transcript
- Lucas: You walk into a coffee shop and see two signs. One says 'Coffee beans — $12 per pound.' The other says 'Coffee beans — $1.50 per cup.' Which one makes you more likely to grab a two-pound bag? Luna: I would probably go for the per-pound sign because I think in bulk. But most people don't. Lucas: Exactly. Most people anchor on the single-unit price — the per-cup price — even when they're buying in bulk. There's a term for this in behavioral economics: 'unit bias.' It's the tendency to treat one unit of something as the natural, appropriate amount. Luna: So if you show the price per cup, a two-pound bag suddenly feels like a lot of cups, and the total seems reasonable? Lucas: Right. And it works in reverse too. I was looking at a case from a specialty coffee retailer based in Portland. They tested two pricing displays for their bulk beans. One showed the price per pound — $14. The other showed the price per twelve-ounce bag — $10.50. But the per-pound display actually led to a higher average purchase. Why? Because shoppers anchored on the 'one pound' as the unit, and when they saw $14, they thought 'that's about right for a bag.' The per-bag price made them compare to other bag sizes and hesitate. Luna: Interesting. So anchoring on the unit works best when the unit matches what people naturally think of as 'one purchase.' Lucas: That's the key. And the effect gets really powerful when you apply it to subscriptions. Take streaming services. A lot of them now offer per-season pricing for shows — say, $4.99 for a season — but also have the option to buy individual episodes for $1.99. The per-episode price anchors you into thinking a season is a bargain, even if you only watch half of it. Luna: I have definitely fallen for that. I bought a season of something on sale because the per-episode price made the season look cheap, but I only watched three episodes. Lucas: And the platform knows that. They're using the unit bias to increase your perceived value of the bundle. It's the same logic behind why software as a service companies often show a per-user per-month price instead of a flat annual fee. A tool like Slack or Asana — you see '$8 per user per month.' That $8 anchors you. Then when you see the enterprise plan at '$15 per user per month,' you think 'well, that's only $7 more.' Luna: But if they showed the annual cost upfront — $960 for ten users — that number feels big. The per-unit price softens the blow. Lucas: Exactly. And it's not just about making things look cheaper. It's about directing attention. A study from the Journal of Marketing looked at how consumers evaluate multi-item bundles. They found that when the per-item price is prominently displayed, people focus on the individual items and their quality. When only the bundle price is shown, they focus on the total cost and whether it's a good deal overall. So if you're selling a bundle of high-margin items, you might want to de-emphasize the per-unit price. Luna: Which is why Costco does the opposite. They show the per-unit price really small next to the total. They want you to think 'wow, 50 cents per ounce is cheap,' not 'that's a $20 jar of peanut butter.' Lucas: Classic example. And they've been doing it for decades. But there's a newer, more subtle version happening in e-commerce. I saw an A/B test from a DTC vitamins brand. They had two product pages for their monthly subscription. One page said '$30 per month.' The other said '$1 per day.' The per-day version increased conversions by 23 percent. Luna: Twenty-three percent? Just from rewording the price? Lucas: Just from rewording. And the product was identical. The monthly total is the same — $30 — but 'one dollar a day' feels trivial. It's the ultimate unit bias: break it down to the smallest natural unit you can. For vitamins, it's a day. For coffee, it's a cup. For software, it's a user. The smaller the unit, the less painful the price feels. Luna: But there's a risk, right? If you break it down too much, people might feel like you're tricking them. Like, 'yeah, it's a dollar a day, but that's $365 a year — I don't want to spend that.' Lucas: You're spot on. There's a tipping point. The same study found that when the per-unit price is too far removed from the total — like showing a per-hour price for a yearly subscription — people get suspicious. They start doing the math and feel manipulated. So the trick is to pick a unit that's both natural and small enough to reduce pain, but not so small that it triggers a recalculation. Luna: Can you give an example where a company got it wrong? Lucas: Sure. A few years ago, a meal kit company tried pricing per serving instead of per meal. So a family plan would show '$4.99 per serving.' But the servings were tiny — three servings per meal — and people had to do the multiplication to figure out the actual meal cost. It confused customers and actually hurt conversion. They switched back to per-meal pricing and saw a lift. Luna: So the unit has to match the mental model of how people buy. For meal kits, people think in meals, not servings. Lucas: Exactly. And that brings us to another angle: the decoy unit price. Sometimes you deliberately introduce a unit price that makes your target option look better. I saw this at a hardware store. They sold paint in three sizes: a one-gallon can for $30, a five-gallon bucket for $120, and a single quart for $12. The quart had a per-gallon price of $48 — way more expensive. That made the one-gallon can at $30 look like a steal, even though the five-gallon bucket was cheaper per gallon at $24. Luna: So the quart is the decoy. It anchors you to think 'one gallon for $30 is a good deal.' But the real value is the five-gallon bucket. Lucas: Right. And most people buy the one-gallon can. The decoy works because the unit bias makes them compare the per-gallon price of the quart to the per-gallon price of the one-gallon can, and the one-gallon wins. They never even do the math on the five-gallon bucket because the unit is different — a bucket, not a can. Luna: It's like the classic popcorn pricing at movie theaters. Small for $5, medium for $6.50, large for $7. The medium is the decoy that makes the large look like a no-brainer. Lucas: Exactly. But here's the twist: unit bias can also work against you. If you sell a product that people use in a single serving, but you price it per case, you're fighting their natural unit. I saw a startup that sold energy bars — individually wrapped, intended as a snack. They initially priced them at $36 per case of 24. That's $1.50 per bar, which is reasonable. But the $36 price tag scared people. They tested a per-bar price of $1.50 with a 'buy 24, save 10 percent' offer, and sales nearly doubled. People anchored on the single-bar price and felt like they were getting a deal on the case. Luna: So the unit bias is powerful, but you have to align it with how the customer actually thinks about using the product. Lucas: And that's the takeaway for this episode. If you're pricing anything with multiple units — subscriptions, bulk goods, software seats — ask yourself: what is the natural unit of consumption for my customer? Is it a day? A cup? A user? A session? Price that unit prominently, and let the larger quantities feel like a smart upgrade. Luna: And if you're not sure, test it. Run an A/B test with per-unit vs. total pricing. It's one of the cheapest experiments you can run. Lucas: Speaking of experiments that actually move the needle — if this kind of conversation is useful to you, and you want to keep hearing it without ads, there's a simple way to support the show. Listener support is what keeps Fexingo Business podcast network ad-free. You can find us at buy me a coffee dot com slash fexingo. Luna: Yeah, it's a small way to say 'keep going.' And we really appreciate it. Lucas: Coming back to unit bias — there's one more angle I want to touch on. The ethical dimension. When does smart pricing cross into manipulation? Luna: That's a good question. If you're using a decoy unit price that makes the expensive option look cheap, is that fair? Lucas: I think the line is when the per-unit price is genuinely misleading. If the quart of paint is $12, that's a real price. But if a company advertises a 'per day' price for an annual subscription that auto-renews and is hard to cancel, that feels exploitative. The UK's Competition and Markets Authority actually fined a few subscription services for that kind of pricing — they called it 'drip pricing.' Luna: So transparency matters. If the per-unit price is a genuine reflection of value, it's fine. If it's designed to hide the total cost, that's where regulators step in. Lucas: Exactly. And honestly, the best unit pricing is the one that helps the customer make a better decision. If you're selling a $30 monthly vitamin subscription and you show $1 per day, you're helping them see that it's affordable. That's pro-consumer. But if you're selling a $120 annual plan and only show $10 per month with tiny fine print about auto-renewal, you're being deceptive. Luna: So the rule of thumb: show the per-unit price, but also show the total. Give the customer both anchors so they can make an informed choice. Lucas: That's a great note to end on. Next episode, we'll look at how bundling interacts with unit bias — when does combining products actually hurt your per-unit perception? Luna: Looking forward to it.