financial burden

US /faɪˈnæn.ʃəl ˈbɜːr.dən/
UK /faɪˈnæn.ʃəl ˈbɜːr.dən/
"financial burden" picture
1.

a responsibility or obligation that involves a significant amount of money or debt, often causing stress or difficulty

:
The high medical bills became a huge financial burden for the family.
Taking on that large loan would be a significant financial burden.