Half of all American side hustlers earn less than $200 (£157) a month, according to a 2025 Bankrate survey. But Rachel Minion's marketing agency challenged the norm, pulling in $560,000 (£441,000) last year. The gap between those two figures says a lot about what happens when a side project stops being optional. Minion was on a company-wide Zoom call when Ticketmaster cut 80 per cent of its staff during the pandemic. No warning. No transition pe…