If it's a job, then that's their problem, just like how if I pay someone for a car, I still have to get the oil changed forever. If you're doing it for free as

If it's a job, then that's their problem, just like how if I pay someone for a car, I still have to get the oil changed forever. If you're doing it for free as a favor for a non-technical friend then yes, almost certainly you will need to do at least some maintenance work in the future.