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The 9pm no-power call goes to whoever picks up.
Half the house is dark, the breaker won't reset, and the homeowner is calling down the Google results until a person answers. You're elbow-deep in a panel or at the dinner table. Nobody leaves a voicemail with the lights out.
Missed calls get answered, sorted, and texted to you.
The call gets picked up, the address and the problem get taken down, and the urgent ones reach your phone as a text you can act on. You ring back the no-power call tonight and let the pot-light quote wait until morning. One saved emergency a month covers the plan on its own.