What 11 successful people wish they'd known about money in their 20s

Even the wealthiest, most successful people are prone to making money mistakes. Billionaire and investor Mark Cuban misused his credit cards at a young age, while personal finance guru Suze Orman once found herself deep in debt after overspending on fancy clothes and cars. We asked several successful people what money advice they wish they had been given in their 20s, and drew insight from LinkedIn's "If I Were 22" series, in which top minds share what they wish they had known at 22. Here's what...