Over the weekends, I have posted two posts about a humble investing strategy which would have netted an investor 15% returns year-to-date (you could read the two posts here: post 1  and post 2 ). The post has attracted some comments from readers, both good and not so good and I thought that my comments to readers’ comments via this post would make for another insightful post for readers.First, on the good comments. Readers are generally supportive of the fact that I have brought out this simple strategy of investing into Exchange-Traded-Fund and showed that just by buying the STI ETF when it was trading at $2.56 in February and selling the ETF at $2.88 in the previous week, one could have netted around 15% returns year-to-date (assuming one holds and collects the full 3% dividends). Investing in ETFs are generally a low-risk investing strategy, however ......