Yes
If it's a new car, you'll need a valid US address and/or driving license.
Yes, a foreigner can buy a car in Mexico. They will need to provide the necessary documentation, such as a valid passport, visa, and proof of address, and may also need to obtain a temporary import permit for the vehicle.
I don't know about buying life, but you don't have to be a citizen to buy property.
Yes. A person does not have to provide proof of citizenship to purchase real property in the US.
see you in jail!
no
yes
Yes, a foreigner in a new country can buy, sell, or trade personal possessions. If the foreigner came to a country with possessions, the person keeps them-- unless it would damage the country's ecosystem.
Yes, a foreigner can buy and register a car in California, provided they meet certain requirements. They will need a valid driver's license, proof of insurance, and a California address for registration. Additionally, non-residents may be required to pay sales tax and other fees. It’s advisable to check with the California Department of Motor Vehicles (DMV) for any specific documentation needed.
You can buy a car for that much money.
no
No, you have to be a US Citizen.