Yes, small investments can potentially make you rich over the long run, through the power of compounding returns and time in the market. Here are some key ways in which small investments can grow substantial wealth:

• Start Early – The earlier you begin investing, even small amounts, the more time your money has to compound. Starting to invest early gives you the advantage of time.
• Invest Regularly – Investing small amounts consistently, like monthly or quarterly, enables compounding to build on itself. Regular investments add up faster over decades.
• Reinvest Gains – Reinvesting all investment gains, dividends, and interest further accelerates compounding. This snowball effect boosts returns.
• Utilize Tax-Advantaged Accounts – Investing through retirement accounts like 401ks and IRAs provides tax savings that enable faster growth on investments.
• Choose Appreciating Assets – Invest in assets like stocks and real estate that can appreciate substantially over decades, rather than simply preserve capital.
• Avoid Fees and Transaction Costs – Minimizing investment fees, commissions and spreads ensures more money compounds for you.
• Hold Long-Term – Avoid panicking and selling during market declines. Hold quality investments for long periods to realize full return potential.
• Increase Contributions – Boost investment amounts whenever possible, for example upon pay raises or coming into a windfall.

Turning small, consistent investments into a large nest egg does require discipline and patience. But over 30-40 years the compounding effect can be quite powerful.