Welcome to the Skeeter forum Rob ! What neck of the woods are you from ?
I will let the members jump in here, but a quick response regarding charger question. What is std from Skeeter is not necessarily std to the stocking dealers. We at SBC will always stock a 3 or 4 bank charger so the start battery is on the charging system. This is very important for simply battery maintence and longevity. Especially up here where several of us use our boats 12 mos / year, even in the winter temps.
While you have very good questions, there really isn’t a blanket answer for all of your questions.
VTS, seldom is it more cost effective long term to use big motor VTS vs a kicker. You may be the exception? I will say, our Musky guys have liked that option IE Mike Keyes. Walleye set ups, not your best option in my opinion. The cost of the vts is close to half the cost of the kicker motor. Factor fuel and additional hrs on your big motor, most folks opt towards the kicker and also peace of mind emergency back up motor.
Alternator, No issue on the std 150 output unless you have a very unusual set up.
Hope some of this helps you & happy shopping !