There are said to be people who spend years only dealing with the expansion of their touring vehicle. In any case, the Adventure Southside is a treasure trove for builders and off-roaders.
Rescue equipment, winches
Accessories for the motorhome electrics
LED interior lights – small and economical.
Solar panels also provide electricity outside of any civilization.
Extendable exterior mirrors for wider bodies or towing a trailer
Composting toilets - better than you think