Sales psychology for marketing, 2 of 14

Charm pricing

Also called Left-digit pricing

Price value offers just under the round number, and keep premium work round.

Price and package
Win the sale

The idea

A price just under a round number, like one ending in 9, feels cheaper than the round number above it. People read the first digit and move on, so it shapes every offer ad, pricing page and package table you write.

Why it works

Researchers call this the left-digit effect (Thomas and Morwitz, 2005): people anchor on the first digit they read. In field tests with a clothing catalogue, prices ending in 9 lifted sales compared with nearby prices (Anderson and Simester, 2003). Round numbers work differently. They tend to feel right for premium and emotional purchases, where people judge quality rather than hunt for a bargain (Wadhwa and Zhang, 2015).

Research: Thomas and Morwitz 2005, Anderson and Simester 2003

Where to use it

Pricing pages

Use charm prices on entry offers and add-ons people compare quickly. Keep one price style for each kind of item, so the page looks planned, not patched together.

Standard clean, $149. Add an oven clean for $29.

Meta offer ads

Put the price on the image or in the first line when price is the reason to click. A charm price reads as a deal, so save it for offers that really are one.

Full car groom, $149. Pick a Saturday time online.

Package tables

Mix styles on purpose: charm prices on the entry and middle tiers, a round number on the premium tier, so the top one reads as quality rather than a discount.

Basic $99. Standard $199. Premium $400, everything included.

Google Ads

Put the price in a headline or a price asset when it helps you stand out. People comparing ads side by side read the first digit before anything else.

Drains Cleared From $149 | Upfront Pricing

Sales calls

Quote big, considered work in round numbers. A round quote sounds sure of itself. A quote a few dollars under sounds like you're already bargaining.

The full project is $4,000, and that includes everything we talked about today.

Steal these

Fill in the brackets and use them in your next post, ad or email.

[Entry service] from $[49]. Book online in [time].
Add [add-on] for $[29] when you book [main service].
[Basic] $[99]. [Standard] $[199]. [Premium] $[round number].
[Premium package]: $[round number], with [what's included].
$[49] is the total. No booking fee, no extras at the end.

Before and after

Before

Basic $100. Standard $200. Premium $399.

After

Basic $99. Standard $199. Premium $400.

The value tiers now sit just under the round number, so they read as cheaper. The premium tier goes round, so it reads as quality, not a discount. Nearly the same prices, clearer signals.

Where it backfires

Hiding the real cost. A charm price in the ad that grows with fees at checkout reads as bait and switch. And charm prices on premium work can make it look cheap, the opposite of what you want.

Pairs well with

The compromise effectCharm prices on the entry and middle tiers, a round number on premium, and the middle tier reads as the sensible pick.

Common questions

Does charm pricing still work when everyone knows the trick?

Often, yes. The first digit gets read almost instantly, before anyone thinks about it. It works best on quick, low-cost decisions and least on premium work, where people are judging quality instead of hunting for a deal.

Should my prices end in 9 or be round?

Ask what the buyer is judging. If they compare on price, like an entry offer or an add-on, go just under the round number. If they judge quality, like a premium package or a big project, go round. Then keep one style per tier.

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