Investing in Exchange-Traded Funds (ETFs) can be a cost-effective way to diversify your portfolio. ETFs offer exposure to a wide range of assets, from stocks and bonds to commodities and real estate. By investing in ETFs, investors can access diversified portfolios at a low cost. ETFs also offer liquidity, transparency, and tax efficiency. To invest in ETFs for low-cost diversification, start by researching and selecting ETFs that align with your investment goals and risk tolerance. Consider factors such as expense ratios, tracking error, and trading volume. Once you have identified ETFs that meet your criteria, determine the appropriate allocation for your portfolio. Monitor your investments regularly and make adjustments as needed to maintain a well-diversified portfolio. By investing in ETFs, investors can achieve diversification at a low cost and build a strong foundation for long-term financial success.