Bewitched (2005) - 3 questions

Question: When Jack first speaks to Isabel, in the book shop, what is Isabel drinking out of? It almost looks like a stainless steel milk jug, instead of the normal cup which is also on the table.

Answer: It was the stainless steel milk jug (creamer). She was nervous when he came to the table. She absent-mindedly put sugar in the cream and then drank from it. Look at her face when she sips it, she realized her error and put the creamer down.

Question: At the beginning of the movie Nicole Kidman walks up to a house and places a "For Rent" sign in the yard, then a lady comes out of the house as if she is the Realtor, who even gets the "For Rent" sign. Why would she "witch up" a Realtor and not just move directly into the house? She could possibly be the owner of the home under a spell thinking she was selling, but its all too complicated. Why not just move into the empty house without all the for rent/furnished & no reference sign. I know its a movie and I could be over thinking this scene but it strikes me as kind of odd.

Answer: Samantha is trying to lead a life without magic so wants to do everything the way humans do i.e get wet if it rains and she has no umbrella, go grocery shopping. But when things start to go a bit wrong i.e. she has no references, she uses magic to help herself along.

Question: Why doesn't Isobel's dad ever find out about Iris being what she is?

Answer: Because she's put him under her spell without him realising.