This guide serves as a comprehensive introduction for beginners looking to start investing by 2026. It highlights the importance of entering the market to counteract inflation and take advantage of compound interest over long periods. The author suggests focusing on low-cost index funds or ETFs, specifically those tracking the S&P 500, to achieve instant diversification and consistent historical returns. Practical advice is provided on choosing between retirement accounts and standard brokerage accounts while emphasising the psychological benefits of dollar cost averaging. Ultimately, the text encourages a "just keep buying" mentality, suggesting that consistent participation is more effective than attempting to time market peaks.