There seems to be tons of things to do before we're completely ready, but we're tackling them one at a time.
If you have tons to do it sounds like you are doing a good job looking. Lots to check and double check before a large trip. As you work through your list I think you can find a lot here to help with all those details that need tending to. It is after all the little things that conspire to threaten your fun. A family
of 4 and a 47 ft boat makes for a very big list. All the best in your planning and preparations!