Determining how much to invest in Bitcoin when starting out depends on your personal financial situation, risk tolerance, and investment goals. It's essential to only invest an amount you're comfortable potentially losing, given Bitcoin's volatile nature. Some investors choose to start with a small amount and gradually increase their Bitcoin investment over time or use a strategy called "dollar-cost averaging," where you invest a fixed amount regularly, regardless of Bitcoin's price. Before investing, it's crucial to research and understand the risks associated with Bitcoin. Consider speaking with a financial advisor to ensure your Bitcoin investment aligns with your overall financial plan.