The phrase "general upkeep" means taking care of something by doing routine maintenance, cleaning, and repairs to keep it in good condition. Full definition
Assists in general upkeep of the reception area, ordering supplies, removing and distributing messages, and faxes. (jobhero.com)
Instead, brush heavy shedders daily and keep in mind that you probably will need professional grooming at least twice a year for general upkeep. (mnn.com)
Disliked: located away from the main travel accommodation and traveller services in that area; noisy door and flooded toilet; anf very minimal general upkeeping. (hostelbookers.com)