upkeep

Maintenance in proper operation, condition, and repair.

The cost of such maintenance.

Maintenance; support; specifically, the process of keeping up an industrial ‘plant,’ a machine, an institution, etc., at its condition of maximum efficiency, as by repair and renewal.

The cost of such [keeping up, including all elements of operating expense, deterioration, interest, and the like.

The act of keeping up, or maintaining; maintenance of persons, organizations, or objects such as machinery, by providing a location, repairs, and consumable items when necessary.

the cost of providing upkeep{1}.

maintenance; the act or effort of keeping something in good repair

to maintain (something) or keep it in good repair

activity involved in maintaining something in good working order

the act of sustaining life by food or providing a means of subsistence