constant expense

noun phrase
UK /ˈkɒnstənt ɪkˈspens/
US /ˈkɑːnstənt ɪkˈspens/

A cost you have to pay again and again, like every month.

Rent is a constant expense for most families.


OTHER MEANINGS

2. A cost that stays the same amount over time.

The gym membership is a constant expense of twenty dollars a month.

3. A regular payment that is hard to avoid or remove.

Insurance is a constant expense for car owners.

4. An ongoing financial burden in a business or household.

Utilities are a constant expense that must be planned for.