Originally Posted by
Flying Lawyer
switch my adress quite frequently between Germany and UK depending on the kind of ticket I need (E, L and T to be bought in the UK, C and F for the sake of PPB points in Germany), mostly by just changing the county and all of the sudden the System moves London to Germany. It is never any problem and it is to be done in seconds
I (and you) certainly don't have to change the profile address in order to accomplish that.