Nanny/Personal Assistant seeking discounted Inlaw/private room (belmont)

Professional female looking for a private room/ preferably an Inlaw unit or room with a private entrance under $1200.
In return, I could provide part-time babysitting, home organization, meal prep, or help with errands/tasks around your home.
I have lots of references.
I’m quiet and keep to myself.
I am fingerprinted as I currently work with children.
I do not drink or smoke.
I’m rarely home and when I am I keep to myself.