Before purchasing Bitcoin (BTC), it's crucial to consider several key factors. First, evaluate the current market trends and understand the volatility associated with BTC. It’s known for its price fluctuations, so thorough research and analysis are essential. Next, assess the security of the platform or wallet where you'll store your BTC. Ensure it has robust security measures to protect against potential hacks or losses. Additionally, consider the regulatory environment and legal implications in your country regarding cryptocurrency transactions. Finally, determine your investment goals and risk tolerance. Bitcoin can be a high-risk investment, so it's important to invest only what you can afford to lose and to diversify your portfolio to manage risks effectively.