What's a realistic investment return to expect?

Historical S&P 500 returns average 10% annually, or 7% after inflation. Diversified portfolios typically return 6-10% depending on stock/bond allocation. Conservative portfolios (more bonds) average 4-6%, aggressive portfolios (mostly stocks) 8-12%. Past performance doesn't guarantee future results. Use 7% for conservative projections, 10% for optimistic scenarios.

How long should I invest for?

Stock investments should have at least a 5-year horizon, preferably 10+ years, to weather market volatility. The longer your timeframe, the higher your safe stock allocation. Money needed within 5 years belongs in savings, not invested. Time in the market beats timing the market—start early and stay invested through ups and downs.

What's the best investment strategy for beginners?

Start with low-cost index funds that track the overall market (S&P 500, total stock market). These provide instant diversification with minimal fees. Invest regularly regardless of market conditions (dollar-cost averaging). Max out employer 401k match, then IRA, then additional 401k contributions. Avoid picking individual stocks until you have experience and significant knowledge.

How does inflation affect my investments?

Inflation reduces purchasing power. If your investments return 8% but inflation is 3%, your real return is only 5%. This is why keeping too much in cash or low-interest savings erodes wealth. Stocks historically outpace inflation by 7%+ annually. Always consider real (inflation-adjusted) returns when planning long-term goals like retirement.

Should I invest in a taxable account or retirement account first?

Prioritize tax-advantaged accounts: 1) Get full employer 401k match (free money), 2) Max Roth IRA ($7,000/year), 3) Max 401k ($23,000/year), 4) HSA if eligible ($4,150/year), 5) Then taxable accounts. Tax-advantaged accounts grow tax-free or tax-deferred, dramatically increasing long-term wealth. This order maximizes tax benefits.

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This calculator assumes your returns are compounded monthly and contributions are made at the end of each month. The "Inflation Adjusted" value shows what your future money would be worth in today's dollars, helping you understand your real purchasing power.