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In the US three wheeled vehicles are legally classified as motorcycles. Helmet laws by state. There is another company that makes a motorized tricycle that is working on getting the helmet laws changed.
Fermentation temperature control, get an old fridge put a thermometer probe inside your bucket so you know the internal temp of your wort and have the computer adjust the fridge temp to keep your wort at the proper temp.
When was the last time you were in the US? I'm in my late 20's and I've used 9 checks, still on my first checkbook. Last check I used was because their CC system was down.