[....]

But needing a crew is annoying so I'll probably keep things small, something like this :
My choice too, maybe a slightly longer one to reduce fuel cost and increase range. and way more solar. I'm involved in custom build aluminum catamarans and have seen several clients move to a smaller ship so they can kick most or all crew off the ship when the owner arrives. Also quite a few that sold their house to cross the globe permanently.
Sailing the Globe is like the best thing Money can buy , was my dream and still is