Personal Investment Guide

I have ,500 Australian dollars to change to American dollars (I have more, but will wait for a later date to exchange). My local bank said the rate they would give me is 0.75 cents USD for AUD. They said they use FX teller. Online the rates show .80 cents USD for AUD. [...]

I am an Australian traveling on my first trip to Japan, and I don't know how safe Japan is.
I'm think of taking all cash for travel to Japan. It will be concealed in a internal pouch underneath my shirt. Should I invest in some traveller's cheques? Whats your experience carrying currency?
How do travellers cheques work? [...]