For people who travel to get away from it all, some grey nomads certainly take along a lot of stuff.
On my road trips, I come across plenty of LandCruisers and Pajeros towing mighty caravans laden with gear: solar panels, twin electric bikes, kayaks or a runabout. Sometimes they are towing a small car behind the caravan. On the one hand, I'm impressed by their adventurous spirit. On the other, I worry about driving with so much stuff over winding mountain roads and rough outback tracks. The cost of fuel must be eye-watering.
Of course, you don't have to spend $250,000-plus on a powerful new 4WD and big caravan to be a grey nomad. You can travel for months on all sorts of budgets in a range of vehicles.