'I work just 2 hours a day': 33-year-old who makes $40,000/month in passive income shares her best advice for 'working less'

In 2013, Michelle Schroeder-Gardner quit her 9-to-5 job to work on her side hustle full-time. Today, her business brings in $40,000 a month in passive income. She now works just two hours a day and lives on a sailboat. Here's her best advice on how to earn more and work less.