User enters every major appliance at setup — HVAC, water heater, refrigerator, dishwasher, washer and dryer, garbage disposal — with purchase date or last service date. Poke tracks maintenance intervals for each appliance and sends plain English reminders when service is due — HVAC filter change, water heater flush, refrigerator coil cleaning, dryer vent cleaning. Returns a plain English explanation of what happens if each task is skipped. Appliances last longer. Repair bills shrink.