this post was submitted on 06 Feb 2024
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Showerthoughts

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A "Showerthought" is a simple term used to describe the thoughts that pop into your head while you're doing everyday things like taking a shower, driving, or just daydreaming. A showerthought should offer a unique perspective on an ordinary part of life.

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"...the average person treats a price ending in .99 as if it were 15 to 20 cents lower."

The tendency is called left-digit bias, when the leftmost digit of a number disproportionately influences decision-making. In this case, even though the real difference is only a penny, research shows that, to the average person, $4.99 seems 15 to 20 cents cheaper than $5.00 -- which results in selling 3 to 5 percent more units than at a price of $5.00"

Why Literally (Almost) Every Price Ends in 99 Cents

https://en.wikipedia.org/wiki/Psychological_pricing

EDIT: The left-digit bias is not just pennies / cents. It applies when going from $99 to $100…$399 to $400…$999 to $1000 etc.

EDIT 2: If you have a car for sale and you want $10,000 for it are you listing it for $10,000 or $9995?

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[–] dohpaz42@lemmy.world 60 points 9 months ago (2 children)

My favorite is gas is (for example) 2.99 and 9/10ths. Talk about desperately reaching for that left-digit bias.

[–] Rentlar@lemmy.ca 7 points 9 months ago (1 children)

Whenever I visit the US and see the gas stations with the 9/10 cent sticker pasted on the signs it makes me laugh internally.

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[–] cuchilloc@lemmy.world 44 points 9 months ago (2 children)

My brain rounds UP everything to the nearest integer. Pi is 4, joke’s on you.

[–] sparkitz@lemmy.world 19 points 9 months ago (1 children)

That sounds a lot like when people say, "I'm not affected by advertising at all". I am sure the effect has influenced some of the purchases in your life.

And even if you are 100% immune to it my point is about selling items to other people. You're trying to get other people to buy the item you have for sale. Your brain rounding up does not allow you to take advantage of the well-known left digit bias which affects everyone in the world except you. So, if you round up when you sell an item you lose some advantage.

[–] cuchilloc@lemmy.world 15 points 9 months ago (1 children)

I’m not shitting on your post, it was very interesting! If / whenever I need to sell a product, I’ll think about it.

[–] sparkitz@lemmy.world 4 points 9 months ago

Fair enough. Upvoted!

[–] Tiptopit@feddit.de 5 points 9 months ago (1 children)

If the scale you are calculating on is big enough pi is 10

[–] HonoraryMancunian@lemmy.world 3 points 9 months ago

Found the ~~engineer~~ astrophysicist

[–] melmi@lemmy.blahaj.zone 43 points 9 months ago* (last edited 9 months ago) (1 children)

Ending prices with 99 is manipulative. We accept it from businesses because we're conditioned to, they're businesses after all! Being manipulated by businesses is just how our current society operates, part of the environment we live in. But if an individual offers us something for a price ending in 99, we're much more likely to be suspicious of it.

The article actually explicitly mentions this, and suggests you list things for 25 under instead of 1 under, for example, as it won't immediately trigger recognition that you're doing this.

All the better to psychologically manipulate our fellow people in pursuit of profit, my dear.

[–] sparkitz@lemmy.world 7 points 9 months ago (2 children)

Yeah, if I want to sell something for $400 then I list it at $395 rather than $399.

[–] Plopp@lemmy.world 7 points 9 months ago

But then you wouldn't sell it for 400.

[–] Mesophar@lemm.ee 5 points 9 months ago (2 children)

And then I swoop in and list the same thing for $394

[–] key@lemmy.keychat.org 6 points 9 months ago

Hell of a deal! I'd pay an extra $6 for a deal like that!

[–] BradleyUffner@lemmy.world 4 points 9 months ago
[–] key@lemmy.keychat.org 39 points 9 months ago (5 children)

EDIT 2: If you have a car for sale and you want $10,000 for it are you listing it for $10,000 or $9995?

which results in selling 3 to 5 percent more units than at a price of $5.00"

Well 5% more units when I have 1 unit to sell is still 1 unit. I'm not getting more money by doing this asshole psych 101 trick. Sooo I'll stick with being a decent person.

[–] Glimpythegoblin@lemm.ee 6 points 9 months ago

Still 3-5% more possible buyers for your car by the logic I guess. Not that I agree with the system but marketing is fucked.

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[–] Sagifurius@lemm.ee 33 points 9 months ago

Yeah...we all understand the trick and hate it.

[–] NewPerspective@lemmy.world 29 points 9 months ago (2 children)

It's a dark pattern. Maybe at one point in time people would be tricked into believing $3.99 was emotionally a lot less than $4 but we've grown up with it now for several generations. Everyone knows it costs more anyway because of taxes not being applied until the register. The mistrust is built into the system out of tradition more than anything.

[–] SorteKanin@feddit.dk 19 points 9 months ago (1 children)

Everyone knows it costs more anyway because of taxes not being applied until the register.

Well, that's only if you're in the US.

[–] Drusenija@lemmy.world 9 points 9 months ago

This trips you up so many times if you visit the US from somewhere else. The number of times I'd see a snack listed for 99c, have a dollar bill on me and then they ask for like $1.12 is higher than I'd like to admit.

[–] sparkitz@lemmy.world 14 points 9 months ago (1 children)

If at any point left-digit bias stopped working then merchants would increase the price by a penny or a dollar (when going $99 to $100). Walmart is not going to leave money on the table. It still works.

[–] themeatbridge@lemmy.world 17 points 9 months ago (2 children)

It still works at scale. If I'm selling a couch on craigslist for $10, I'd have to be a massive butthole to advertise it at $9.99. The fuck am I going to do, give them a penny in change? $10 is $10. I only need to sell it once, and I do not have the patience to deal with someone looking to haggle.

[–] sparkitz@lemmy.world 6 points 9 months ago (1 children)

I understand. But what if you're selling a refrigerator or laptop for $400? You could list it for $399 or $395. The left-digit bias is not just pennies / cents. It applies when going from $99 to $100…$399 to $400…$999 to $1000 etc.

[–] themeatbridge@lemmy.world 18 points 9 months ago* (last edited 9 months ago)

Then I want $400. Like I said, I onlyhave to sell it once. I don't need to sell it to more than one person.

And if I saw someone selling a refrigerator for $399, personally it would make me doubt their trustworthiness.

The left digit bias is real over large groups of people. You're going to sell more laptops at $399 because of left digit bias, but it doesn't make a discernable difference when you're only selling one. And again, then I have to deal with making change. Somebody's going to hand me four hundred dollar bills, and I'm going to dig into my pocket for a crumpled single? Or maybe three quarters, two dimes, and a nickel?

[–] sparkitz@lemmy.world 4 points 9 months ago* (last edited 9 months ago) (1 children)

I do not have the patience to deal with someone looking to haggle.

Not trying to start a debate with you and I know you're just talking about a $10 item (and I agree with you on that) but your comment about "not looking to haggle" being the reason you'd use a whole number is not in agreement with another psychological trick.

When Negotiating A Price, Never Bid With A Round Number

So, round numbers actually invite people to haggle more than precise numbers.

[–] themeatbridge@lemmy.world 4 points 9 months ago (3 children)

That's not a persuasive argument. I'm not interested in haggling. The price is $10. If you see that and think "Oh, I'll offer $5" then the answer is "no". We're sure as shit not going to meet in the middle at $7.50.

Same argument at $400. That's what I want to get for it, which is why I put that price on it. I don't want $399 or $250, because life is too short and I'm not that desperate to sell anything. I'd rather give it away for free than haggle with someone over the price. I don't need to sell it today, and I'm happy to wait for someone who is willing to pay the asking price. I'm not running a pawn shop.

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[–] PP_BOY_@lemmy.world 16 points 9 months ago (2 children)

Devils advocate but I absolutely list my online prices at $XX.99 because people are more willing to buy from a seller who seems like a legit business instead of a private person. This is also why I make kinda arbitrary prices like $113.99 instead of something like $115 even.

[–] Dark_Arc@social.packetloss.gg 5 points 9 months ago* (last edited 9 months ago)

With a name like PP_BOY_ how could you be anything but legit? /s lol

[–] sparkitz@lemmy.world 4 points 9 months ago

I agree with that strategy. Makes sense.

[–] DontTreadOnBigfoot@lemmy.world 15 points 9 months ago

Because I have no interest in carrying around coins to make change

[–] RememberTheApollo_@lemmy.world 14 points 9 months ago (2 children)

I always round up.

I don’t get this idea that 99 makes your brain feel like the price is lower, I don’t know that I’ve experienced it. 99¢ is $1. $49.99 is $50. Plus tax. Who are these “average” people that give themselves a magical mental discount?

[–] Mir@programming.dev 4 points 9 months ago

Sadly I'm one of them

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[–] Delphia@lemmy.world 9 points 9 months ago (8 children)

One of the reasons this originally gained popularity hasnt been mentioned.

Retailers used it as a tool to force employees using cash registers to open the register to give customers their small denomination change. If prices were a flat number its a lot easier for a shop assistant with sticky fingers to just pocket the money if the customer had the exact price.

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[–] possiblylinux127@lemmy.zip 6 points 9 months ago (2 children)

How is this a shower thought?

[–] HonoraryMancunian@lemmy.world 5 points 9 months ago

Seems like the type of thing I'd randomly think of in the shower

(Also, where else would it go?)

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[–] LZamperini@kbin.social 5 points 9 months ago (1 children)

My head went straight to yard sale prices and thought watching someone pull out 99 cents sounds annoying.. in the end the psychology makes sense but a flat number cash or card seems more convenient to the average Joe I'm selling to.

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[–] ArbitraryValue@sh.itjust.works 5 points 9 months ago (1 children)

Since I'm not desperate for money, I won't do it as a matter of principle. What that principle is exactly, I don't know...

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[–] explodicle@local106.com 5 points 9 months ago

If corporations were in actual competition like individuals are, then I'd pass by the one that is nickel and diming me with BS. We only tolerate it because of poor competition.

[–] dezmd@lemmy.world 5 points 9 months ago

Sort by lowest price is what matters now.

Thats why I sell at a xx98.87 price point.

/race to the bottom

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