I have a list of things I need/want/would-be-nice for "the next house". Recently a lightbulb went on and I added "200+ amp electric service" to that list so I could have ample capacity to use 90 amps (give or take) for electric brewing
I just have 100A service to my house right now. Sometimes you can have your service upgraded but it costs about $1500 to have an electrician do it and I don't even know what it would cost for me since my power comes to the house underground.
You could also look for houses that might have an electric sub-panel in the garage. One can probably be added for the cost of a few march pumps. The cabling alone would probably cost around half of what you pay depending on the length.
A second full kitchen would sure be nice. My basement has a high exit for waste water so I would need a pump to do sinks/toilets/etc.