'My Brain Thrives on Variety': His Side Hustle Inspired By 'The 4-Hour Workweek' Led to $600,000 in 16 Months Mark Hellweg, 42, knows what it takes to start a business “with a fraction of the capital.” Previous Article He Turned His BBQ Restaurant Into a Full-Fledged Media Business. Here Are His 5 Best Tips for Growing Your Digital Presence. Next Article Firefox Would Like to Remind Everyone It Exists and 'Isn't Backed By a Billionaire'
