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The Day to Watch Automatic Payment Price Hikes That Started Like “One Cup a Month”

2026-06-11 · about 4 min read
ⓘ This article is for general information only and does not replace professional medical, legal, or financial advice. Please consult a qualified professional before making important decisions.

The First Price Is the Bait; the Raised Price Is the Real Bill

Automatic payments often start small when you sign up, framed as “the price of a cup of coffee.” The problem comes afterward. While a monthly fee of 4,900 won rises to 6,900 won a year later, then to 8,900 won, it appears as a single line in small numbers on your statement and is easy to miss. Because it is tied to your card and withdrawn automatically, you may pay for another year without even realizing the price went up.

SectionKey summary
The First Price Is the Bait; the Raised Price Is the Real BillShort key point
How to Run a Monthly Price-Hike Check DayIn a notes app, make a table with the service name, current fee, and last month’s fee
Payments That Tend to Rise QuietlyRun the check day for just three months
Would You Have Signed Up If the Raised Price Had Been the Starting Price?Automatic payments start small at first, but over time they quietly rise

For example, if something that cost 5,000 won a month rises to 7,500 won, that is a 50% increase, but the 2,500 won monthly difference may seem minor. Over a year, however, it becomes 30,000 won; if you have four such services, 120,000 won a year leaks out without you noticing. Things that came in like a single cup add up until the cost of a meal out disappears every month.

How to Run a Monthly Price-Hike Check Day

  1. Set the same day each month, such as the 1st, as your “automatic payment check day” in your reminders.
  2. In a notes app, make a table with the service name, current fee, and last month’s fee.
  3. On check day, compare the amounts for automatic payment items on your card and account statements against the table.
  4. Mark any item that increased from last month, and write down the amount and timing of the increase.
  5. If it went up, ask, “Would I keep using it even at this price?” If not, cancel it on the spot.

The standard for comparison is: “Would I have signed up even if the raised price had been the original price?” If you started because it was 5,000 won but would not have joined had it been 8,900 won from the beginning, it is right to cancel now. The moment you accept the higher price just because you have grown used to the service, the price hike becomes a successful strategy.

Payments That Tend to Rise Quietly

  • Services that start with a first-month discount or free trial and automatically switch to the regular price
  • Services billed annually and charged only once a year, making large increases harder to notice
  • Services with similar functions that you are paying for at the same time
  • Shared accounts where it is not even clear which family member is paying

If you run a check day for just three months, you will usually catch one or two items you do not use or that duplicate another service. Reducing spending by just 10,000 won a month becomes 120,000 won in a year. The work takes five minutes a month: simply compare your table with your statements.

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Note: If you receive an email or app notification whenever a price rises, do not delete it. Collect it in a folder called “automatic payments.” On check day, opening that folder alone will show at a glance which service increased, when, and by how much.

Would You Have Signed Up If the Raised Price Had Been the Starting Price?

Automatic payments start small at first, but over time they quietly rise. A 2,000 won monthly increase may look small, but when several overlap, it becomes a large amount by year-end. On check day, write the signup price and the current price side by side.

The core question is simple: would you have signed up if this had been the price from the beginning? If the answer is no, there is a good chance it is a subscription you are keeping only out of familiarity.

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