Investing and performing Dollar Cost Averaging on Ireland-domiciled ETFs is getting popular nowadays among investors in Singapore. Reason being Ireland-domiciled ETFs have a lower dividend withholding tax of 15% compared to the 30% if one invests in ETFs listed in the United States and are incorporated in the United States. 50% dividend withholding savings may be enticing for us to switch over to Ireland-domiciled ETFs listed in London Stock Exchange but are we actually saving more in the long run? Today, I will get my hands dirty in exploring the savings that we might recognise if we make the switch.  For a fairer comparison, I will be using VOO (Vanguard S&P 500 ETF) and VUSD (S&P 500 UCITS ETF (USD) Distributing). VOO is listed on the New York Stock Exchange while VUSD is listed on the London Stock Exchange. Both ETFs have the same currency of USD so that there...