Two friends create water purification systems that save drinkers from foul chemicals—and save the planet from disposable bottles.
Side Hustle School features a new story EVERY DAY of someone who started a hustle without quitting their job. You’ll learn how they got the idea, how they overcame challenges along the way, and what the results are. Share: #SideHustleSchoolShow notes: SideHustleSchool.comTwitter: @chrisguillebeau
