“I was putting in about 10 hours per week and I was making in the ballpark of $1,000 per month… I was confident that if I had the full-time hours to dedicate to selling online that I would be able to more or less scale that up,” Grant tells CNBC’s “Make It.”

Eventually, boxes upon boxes of products filled his home, and Grant rented a 725-foot warehouse for his business. Within the next few years, Grant’s reselling business achieved considerable success, making “well over $200,000 in sales per month.”

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