When it comes to investing and creating a diversified investment portfolio, it is hard to avoid the United States and American companies. After all, the U.S. is home to the New York Stock Exchange and the NASDAQ, two of the largest stock exchanges in the world by market capitalisation (market cap). In addition, some of the most innovative and exciting growth companies in the world like Facebook, Amazon, Alphabet, Netflix and Google (FAANG) are listed in the U.S. Not to mention the popular Exchange Traded Funds (ETFs) like the many S&P 500 ETFs that track the S&P 500 index. These stocks and ETFs give you geographic exposure and of course pretty attractive returns as well. However, as Singapore-based investors, we are considered Non-Resident Aliens (NRA) by the U.S. As such, there are several tax pitfalls we need to be aware of and reduce our exposure to, as these taxes as these fees can destroy your returns....