1. Warren Buffett still lives in the same small house he bought over 50 years ago and drives his own car instead of using a private jet or having a security detail. He focuses on living simply without extravagances.
2. As the head of Berkshire Hathaway, Buffett assigns the right people to their jobs and gives CEOs just two rules - don't lose shareholders' money and don't forget the first rule.
3. Buffett encourages living simply, investing in yourself through education, and not being swayed by brands or what others think; his advice emphasizes appreciating what you have rather than pursuing material excess.