A tech founder who sold his first startup for £40 million shares his advice for budding entrepreneurs
Now, three years later and after a stint in San Francisco, he's heading up a new venture, retail technology company Hero, and hoping it will be equally successful.
Business Insider caught up with Crane and Hero's founder Adam Levene, an early employee at Grapple, to get their advice for first-time founders looking to build a business.
Here are their four biggest tips: