You confuse domicile (your mailbox) with residence (your bed). https://en.wikipedia.org/wiki/Domicile_(law)#United_States https://en.wikipedia.org/wiki/Domicil

You confuse domicile (your mailbox) with residence (your bed). https://en.wikipedia.org/wiki/Domicile_(law)#United_States https://en.wikipedia.org/wiki/Domicile_(law)#United_States https://en.wikipedia.org/wiki/Residence https://en.wikipedia.org/wiki/Residence For example, you can use a mailbox service if you live out of your car.