A 36-year-old on track to retire early didn't earn more than $15,000 a year until her late 20s. She explains how she increased her income and how she invests.

"I had the tools, but I had no resources. I made $15,000 a year and spent most of it - because you can't really save that."

"Over the next decade, Grant made a few key moves - notably, increasing her income while maintaining a low cost of living and investing the excess - that set her up to hit 'coast FIRE.'"

"For me it's the financial independence part; I don't care about the retire early as much. I want the option to walk away from work if it's not something that's fulfilling..."

Read at Business Insider