Growth ETFs can make it easier to build life-changing wealth over time.Investing in a growth ETF can help supercharge your earnings over time. These investments are designed to outperform the market, which could result in earning hundreds of thousands of dollars more than you might with a broad-market fund, such as an S&P 500 ETF.The Vanguard Growth ETF (VUG +1.38%) is one of the most popular growth funds, but there's one crucial factor to consider before you buy: your investing timeline. A long-term outloo ...