i don't actually study the odyssey, only the aeneid and the iliad, but i have read it and can give you some general advice?
consider what 'the success of the poem' means: what is the message homer is trying to get across? (what is the moral of the story, in simpler and modern terms). i would probably say the message that homer is trying to instil in his audience is the importance of xenia/nostos. consider the ways in which the women in the odyssey help homer to deliver these messages: circe provides an obstacle for odysseus' nostos, perhaps delaying his nostos so that when he does finally return home, his nostos is more anticipated etc.