"I don't want people waiting until they're 85 years old to start living a rich life," Ramit Sethi tells PEOPLE Wendy Grossman Kantor is an award-winning journalist who has spent 20 years as a ...

It's the average person's level of thinking that breeds this approach to life and living while the clock keeps ticking away." Rich people believe in acquiring specific knowledge ... while average ...

in which detailed his path from living with five roommates and sleeping on a floor to appearing on Forbes' World's Richest People list. "It doesn’t suck to be rich," Cuban exclaimed.

Tom Corley: There are some bad spending habits that the rich people avoid and that unfortunately ... That leads to the last one which is living below your means. You want to spend modestly.