How helpful was your guest family in helping you obtain the proper visa that permitted you to work legally for them?
Did your guest family pay for any of your flights to and/or from your home and host country?
How did you communicate with your guest family prior to moving to your host country? E-mail, whataspp, skype, etc. Was your guest family good at communicating with you before your arrival?
How did you interview with your guest family? Skype, in person, phone call, etc.
How did you find your au pair guest family? Website, agency, family, friend, etc.
Where were/are you an au pair? City, country, suburb of big city.