- Buy an older van (or in my case a crew cab pickup with a camper shell).
- Add some storage space and a bed. This can be as simple as a few plastic storage containers and a foam mattress.
- Add an inverter, a marine battery, and if you really want to get fancy a relay to disconnect it from the main system when the vehicle isn't running. No solar panels needed, just let the alternator charge it.
That's it. Spend the rest of the time figuring out how to live with your self without social media.
There are a lot of things you can do to simplify your life, if you don't have to bring your first world standards with you: - Don't use any electronics that need constant power. Don't buy stuff that needs to be refrigerated, but do get fresh fruit and vegetables if you can eat them within a few days of buying.
- Piss in a bottle and figure out how to be near enough to either a bathroom or real wilderness for other situations. It's not that hard with a little planning.
- Shower less often, mostly in campgrounds. You will stink more, but get over yourself.
- Bring a lot of books/ebooks or something interesting to study.
- Walmart parking lots are great places to park and sleep if you are en-route somewhere and just need some rest. They usually allow overnight parking and won't bother you (local ordinances can sometimes cause exceptions).
- Learn how to brush your teeth and wash dishes without using lots of soap and water. You can actually clean and rinse a dirty pan with about a cup of water and a tiny drop of soap.
The western US is great for this since huge areas of the desert states are easy to move around in without much planning or permits.
Don't spend lots of time driving. Get somewhere and actually experience it. Don't plan too hard. Find some stuff you think would be interesting, get to good areas, then relax and explore. Schedules are only opportunities for disappointment and stress. Try spending a whole week without even taking pictures. Learn what is fun for you, not what you think makes your life look interesting.