I'm 20 with a paid-off Tesla, no debt, and $11k in my 401(k) - here's how I did it

"Indeed, it's far better to learn how to delay gratification earlier on in life rather than later on. The opportunity costs of an extravagant purchase in one's early 20s are high."

"For instance, buying a fancy car at such an age could take a great deal away from one's future retirement fund. And for those who don't see the need to retire, it still takes away from their financial freedom."

Read at 24/7 Wall St.