I read this article a few days ago, and surprisingly I had never thought of trying this before. It can definitely save you substantial cash in certain situations. Just make sure that you use a credit card with no foreign transaction fees, lest you be hit with a bogus fee since the point of sale is outside of your card issuer's country.
A man who procrastinates in his choosing will inevitably have his choice made for him by circumstance.
A true friend is the most precious of all possessions and the one we take the least thought about acquiring.