noun
maintenance costs; upkeep expenses
Refers to the ongoing costs required to keep something in good condition, such as a building, vehicle, or system.
このマンションは維持費が高い。
The maintenance costs for this apartment are high.
車の維持費を計算してみた。
I tried calculating the upkeep expenses for the car.
経費 is a broader term for 'expenses' or 'operating costs' in business, whereas 維持費 is specifically for upkeep and preservation.
Compound of 維持 (いじ, 'maintenance') and 費 (ひ, 'cost' or 'expense').