I made it from 8 dollars an hour, that's 400 a week
To 100 grand a show, that's 400 a week
Thanks to his prowess as a rapper, Cole went from working a minimum wage job for a $400 a week to a bankable hip-hop star securing $100,000 a venue and a whopping $400,000 a week.
Note, too, the use of parallelism here
This calls to mind a similar line from his label CEO:
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