Is there a good resource for learning about the tax implications of moving money into foreign bank accounts and back? If I trade $100k from USD into Australia $ and after things stabilize bring it back, if I make money on that move do I treat it like a stock trade for tax? What about a loss? What might I be overlooking? What if I send it to Australia, make an investment there, and send back the profits? How would you tease out the gains from the dollar swing vs the gains from the investment?