Our list:
I switched drivers license, bank address, credit card address, mobile accounts to my brother’s house
Maintained a car with insurance, same address. My kid took it up to her college campus and drove it.
So: You need to get set up. License, bank account at a minimum. “Intent to domicile” takes some work. Your step one is move assets over.
Way it has to be. The biggest hurdle is sponsoring your spouse. You either need a lot of cash equivalent assets, a joint sponsor, or income in the US before the petition goes to NVC.