Absolutely. Check out the MBO Partners State of Independence in America Report which is on their website. It is the only research that has been done consistently over time. This year will be its 7th year.
Related Articles
In the 2016 report, over 3 million Independent workers reported that they earned over $100k per year. Over 8 million independents said they made more on their own then when they had traditional employment.
Check it out!
https://www.mbopartners.com/state-of-independence/