This may sound like a dumb comment, but it took me a while to figure it out so I'm sharing. (Yeah, I'm slow sometimes.)
Sailing and living aboard
(and long distance cruising) are compatible but different activities. Not all sailors live aboard
, and not all liveaboards sail.
So, to get to the point, start by getting a variety of experience to figure which aspects of the lifestyle appeal to you before dropping a load of money
on something that may or may not work