[Compare: “Votre montre retarde de dix minutes” = Your watch is ten minutes slow.]
Cela m’avance bien! (ironic.) = What good is that to me?
Vous voilà bien avancé! (ironic.) = Here you are in a pretty mess! What good have you gained by that?
Je n’en suis pas plus avancé = I am none the wiser (or, nearer).
Avant
Vous allez trop avant = You are going too far.
Ils sont arrivés bien avant dans la nuit = They arrived very late at night.
Avare
*A père avare, enfant prodigue = A miserly father has a spendthrift son.