LED bulbs from Amazon are inexpensive and work great for me. No experience with the other questions.
Only suggestion I have is to camp in your driveway or somewhere close to help go through the unit and get a feel for what’s needed and what’s important to you.
TV - 2002 GMC Yukon XL 2500, 8.1 liter (496ci), 4L85e & positraction with 3.73 gears
TT - 2013 Dutchmen Aspen Trail 3130 QBS
Drinks of choice: woodford reserve, knob creek & any great bourbon-just about any of San Diego’s craft beer and Pabst Blue Ribbon