I think people should be free to use location, currency, job, start cash amount as they want.
1-Day car builders or super rich unrealistic guys will quickly get bored of posting alone in their own thread, so we can delete threads without posting after 2 month or so.
Well about the unrealistic builds... I'm kinda open to that in some ways. Imagine a guy whose friend is a mad scientist that drives a DMC De Lorean...
I think a well written roleplay will always be read and followed.