Dan Kilmer ping
While you can find such advice online, it often comes with an agenda, having originated from one related blog or another. Several things about FReepers are: honesty and vast experiences in just about every corner of life!
Downsizing, is something he has in mind in making the move from a house to a boat. But, sounds like a wash between home maintenance and maintaining a boat. Same for energy costs, anchorages and marinas.
From the comments, pumping out waste tanks, replenishing groceries and having access to some type of land vehicle are major live aboard headaches.
There aren't many marinas with a Walmart.
Still, there is the living life to the fullest aspect, verses just comfortably growing old.
Many thanks to all of you, for your considerate and valuable advice. The more the better! :)