Most effective piece of financial advice.

One of the most effective pieces of financial advice I've ever received is to "live below your means." This means spending less than you earn and saving the difference. 

This simple principle is the foundation of personal finance and wealth building. By living below your means, you can save money for emergencies, invest for your future, and achieve your financial goals. Additionally, it also helps to avoid unnecessary debts and financial stress. 

This advice is simple but powerful, and it can help you take control of your finances and secure your financial future.