Instant Pot is a great way to cook hot dogs for a crowd! Just put one or more packages of hot dogs in the Instant Pot and they'll be perfectly cooked in minutes!
Put hot dogs and water in the Instant Pot. Close the lid and turn the valve to a Sealing position. Press the "Pressure Cook" or "Manual" button and set the time to ZERO minutes on High Pressure (the hot dogs will cook while the Instant Pot is coming to pressure).
When it's done cooking, quick release (QR) the steam.
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Notes
You can cook as few or as many hot dogs as you like, as long as they are bellow the "Max Fill" line of the Instant Pot. The amount of water stays at 1 cup no matter how many hot dogs you are cooking, and the cooking time is always 0 minutes on High pressure.