Upkeep (noun)

The cost of maintaining or preserving something, such as a building or vehicle, in good condition.

Origin:

From the verb keep up, meaning to maintain or preserve something in good condition.

Examples:

1. The upkeep on the old car was more than she could afford.
2. He was responsible for the upkeep of the estate.
3. The city was responsible for the upkeep of the park.
4. Upkeep of the building was expensive but necessary.
5. The upkeep of the garden was a constant battle against weeds.