buyer's remorse

noun

: the unpleasant feeling of having made an unwise purchase

You might have the urge to shop, but don't break the bank as it could lead to buyer's remorse. Take time to decide if it's really worth the money.

—The Peterborough (Ontario) Examiner

… some users have bought the cheapest models on the market and were immediately hit by buyer's remorse …

—Alvin Wanjala

Word History

First Known Use

1946, in the meaning defined above