Meaning of the word "beware of little expenses, a small leak will sink a great ship" in English

What does "beware of little expenses, a small leak will sink a great ship" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

beware of little expenses, a small leak will sink a great ship

US /bɪˈwer ʌv ˈlɪtəl ɪkˈspɛnsəz, ə smɔl lik wɪl sɪŋk ə ɡreɪt ʃɪp/
UK /bɪˈweər əv ˈlɪtəl ɪkˈspɛnsɪz, ə smɔːl liːk wɪl sɪŋk ə ɡreɪt ʃɪp/
"beware of little expenses, a small leak will sink a great ship" picture

Idiom

a proverb warning that small, seemingly insignificant costs or problems can accumulate and lead to major financial ruin or disaster

Example:
You should track your daily coffee purchases; remember, beware of little expenses, a small leak will sink a great ship.
He ignored the minor subscription fees, but beware of little expenses, a small leak will sink a great ship.