Tony Robbins went from working as a janitor to being a multi-millionaire who sells inspiration for a living. And Warren Buffett, one of the most successful investors of all time, is currently worth almost $75 billion.
Both of these legendary businessmen say the best investment they ever made was not a stock or financial asset. It was a class.
When Robbins was 17 and earning $40 a week, he spent $35 for a three-hour seminar with personal development coach Jim Rohn.