I got this as well. She wanted to be high up and in a position of status. A rich person or King would never sleep on the ground floor but instead the high chambers of a castle, or tower or something. Even in today's society the top unit of condos/high rises etc. are the most expensive and reserved for the very rich.
Even though it's a bigger pain convenience wise (stairs/elevator/moving, etc.) people still prefer it. Away from view, noise, security, etc.

For exactly the same reason that the silver needed to be polished, whether it needed it or not; for the same reason she had to change the sheets, wash them and let them dry outside.
Not just because Vera wanted it that way; but because to do it any other way wouldn't be proper. The owner/master/mistress of the house does NOT live on the ground floor. It simply isn't done in polite society.
I want the doctor to take your picture so I can look at you from inside as well.

Bingo! Just a stubborn woman who wanted it the way she wanted it. Convenience didn't matter to her.
Why aren't cookies called bakies?

given how stubborn vera was, she prob didnt wanna move downstairs
~ TAKE the ticket!