Won't be a huge change for you, some yes - but you should adapt quickly.
Yes, we never 'needed' our generator and yes I spent lots of time below deck fiddling with it (boat sat for 10 years prior to us). Heck, you are on the water to enjoy the outdoors, not keep all your lights and stereo and TV's and whatevers running. On current boat below, which is a 23' but in today's sizes would be a 26' with a nice stand up cabin - I have two battery powered LED's for the few times I want / need to see details. Otherwise it is stars and silence for us. You are in FL so your call for AC if it comes wit it but honestly in TN and AL where I boats it can be well into the 80's and sticky at night. Almost never was uncomfortable - when you are on the hook you will always be pointed into any breeze. Leave hatch at a 45 degree angle and any breeze there is is directed down to you.
Ours had two engines and after about 10 trips out was just fine backing / maneuvering. I've not seen too many boats in your size with bow thrusters - but then I only deal in old cheap boats. I have seen one that mounts to the hull for a retrofit.
Depending on what you get and what you have now you may find the engine area working space much tighter.
No matter what kind of stove it comes with make sure you know how to operate it. If no manual avail post up here. I almost learned the hard way on my last one, and the one before had its quirks. Know your stove.
We kept the fridge on when on shore power, didn't worry about it for an overnight; we kept seriously perishables on ice (meats etc). Mayo, mustard, cheese, veggies, breads - most everything you have for a night or two out can be room temp for a good amount of time. Or the fridge has a freezer, store water bottles in there and they will help keep everything cool, plus towards the end you will have water to drink. Or if no freezer, just put frozen in from home.
To JoLin's point yes try to select the best slip; our was actually blocked by other docks slips so I was lucky there but I watch even experience boaters deal whit wind and its tough.
Lastly it was all the systems. Sink, micro, fridge, toilet, shower, second and third sink, icee maker, etc. I'm back to a sink and portapotty on one (we never use either) and nothing on our little boat. I like it that way.
otherwise - enjoy.