Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
I would try to avoid using public wi-fi, as it is too risky. Get yourself a hot spot that you can use for a few days.
Why would a hotspot be less risky? It is transmitting on wifi frequencies and most novices use trivial passwords.
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.