"basic upkeep" is correct and usable in written English.
You can use it when referring to the routine maintenance of a person, object, or system. For example, "The homeowner was responsible for basic upkeep of the property."
"This is basic upkeep to the United States Capitol building.
So with the track's death imminent, Greenwood has no incentive to spend money on even basic upkeep.
Despite a strained power grid that has gone lacking in basic upkeep for years, he assured Venezuelans that there could be only one cause: sabotage.
The federation has ambitious plans to build a museum, but barely has the funds for basic upkeep, much less new buildings.
If it weren't for the Family's avoidance of even basic upkeep, it would have been like something you'd see on a postcard.
And now, after having bankrupted itself, Greece could not even afford the estimated €60m needed as basic upkeep to operate and maintain the sites.
This caused PG&E to redirect company resources away from basic maintenance and upkeep of existing infrastructure.
A cut of this magnitude means that Birmingham city council is now giving the Rep less than we have to spend on the basic overheads and upkeep of the theatre – a building that is owned by the city council".
In addition, many experts say that EVs can, in fact, save you money on a basic fuel to upkeep scale.
But upkeep and even basic repairs are constant concerns.
But several researchers forecast how consumers might reappraise the idea of appearance upkeep in light of basic needs, family obligations, romantic aspirations, professional status and personal values.
