There's no one answer to the question of what is the greatest tool for building wealth. But if we had to choose just one, it would be self-development.
Self-development is the process of growing and improving oneself, both mentally and physically. It includes developing new skills, knowledge, and abilities and improving upon existing ones.
One of the most well-known self-development experts is Tony Robbins. Robbins is a self-made millionaire who has written numerous books and articles on the topic. He's also created several popular self-development programs, including his famous "Date with Destiny" seminar.
Robbins emphasizes the importance of taking action to achieve success in his work. He believes people can improve their lives by taking positive action and making small changes in their daily routines.
Self-development is a powerful tool that can help you succeed in all areas of your life, including your finances. Taking action and making small changes in your daily routine can significantly impact your overall wealth.