Start with recurring work
Begin with the things that repeat: filters, smoke detectors, yard care, seasonal inspections, appliance cleaning, and small routines that are easy to miss.
Attach the details that make the task doable
A reminder is only half useful if it does not include the filter size, supply link, equipment notes, or last repair. The system should keep those details close to the task.
Keep a maintenance history
When you log repairs, purchases, and follow-up notes, future decisions get easier. You can see what happened last time instead of recreating the story from memory.