Marcus Gram started from the bottom. Now, he is earning top dollars. CNBC Make It reports the 31-year-old started with $10,000 and a dream. Gram was making $30,000 per year and originally aspired to become a music producer. He later moved back home to find footing and saved money by living with his mother. He then moved to Philadelphia with aspirations to jumpstart an entrepreneurship journey. Marcus recalls seeing a woman retrieve money from a vending machine. That brief snapshot in time sparked his interest and his side hustle began. He invested $4,400 into two vending machines with two card readers in 2018. Gram earned $4,000 in his first year. Soon, his side hustle became a business, and Joyner Vending was born. One year later, his earnings soared to $25,000, and the year after that, $200,000. In 2021, Gram racked in $300,000. Fast forward to now, and Gram projects he is on track to earn half a million dollars this year alone. Gram shared his tips for success.