One speculative thought about the purpose of Whisper is that this will help unlock additional high-quality training data that's only available in audio/video format.
We do offer coffee but I agree, it's difficult to balance quality with maintainability (low-cost, minimal supplies, easy cleanup etc). We currently just use pre-ground drip coffee but I'm thinking about getting a grinder plus bottomless for the beans. I don't even drink coffee so I find myself checking reddit for reviews on grinders/coffee etc...
Great idea and so many options as a business going forward! Just randomly was listening to you on Invest Like the Best today. I have an Airbnb listing that this service would be great for. Looking forward to hearing how your business evolves and grows in the future!