1. What does it mean?
짠테크 combines the idea of being tight with money with 재테크, personal financial management. It describes reducing unnecessary spending and accumulating modest savings or benefits through everyday habits.
Also written or said as jjantekeu
2. The nuance
It is a broad lifestyle term, not a specific financial product or guaranteed return. Saving a little is not automatically worthwhile if the effort or extra purchasing defeats the purpose.
3. Examples
“안 쓰는 구독을 정리하는 것부터 짠테크를 시작했어.”
I started my frugal-money routine by canceling subscriptions I wasn't using.
“짠테크 기록을 보니 작은 지출이 많이 줄었어.”
My spending log showed that the little savings had reduced many small expenses.
Sources
References support the meaning and usage. Example sentences are written for NoCapWiki.