There's Nothing- Literally nothing - I've purchased that has had higher ROI than investing in my ability to manage my own money. That knowledge has helped me align my money with my goals, which sounds pretty abstract until you remember that it means it has helped me buy a house, afford a dog and have the financial flexibility to always do the things I want to do. Would I spend the money to learn all of that in one place, from the experts? Duh."
