When constructing a portfolio, most investors focus on the decisions that seem to have the most significant impact on the risk/return profile delivered. How much should be allocated to stocks vs. bonds? What breakdown between developed and emerging markets is desired? What sectors should be overweight, and which should be avoided? These decisions obviously go a long way towards determining the bottom line returns delivered by a portfolio. But for investors who have embraced ETFs as a means of achieving exposure, there are a number of seemingly minor factors that can have a surprisingly large impact on their financial health. Below, we highlight five of these easy-to-overlook considerations that can add up to big differences in return [for more ETF insights, sign up for our free ETF newsletter]: 1. Weighting Methodologies Many ETF investors pay a great deal of attention to certain attributes of their equity exposure, such as the size and [...] Click here to read the original article on ETFdb.com. Related Posts: Ten Commandments Of ETF Investing Six Reasons To Consider Dumping SPY Are Your Cap-Weighted ETFs Leaders Or Laggards? Beyond SPY: Nine Alternatives To S&P 500 ETFs Five Twists On S&P 500 ETFs